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  <xs:element id="sevn_FinancingReceivableUnfundedLoanCommitments" abstract="false" name="FinancingReceivableUnfundedLoanCommitments" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sevn_LoansReceivableWeightedAverageCouponRatePercentage" abstract="false" name="LoansReceivableWeightedAverageCouponRatePercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="sevn_LoansReceivableAverageAllInYieldPercentage" abstract="false" name="LoansReceivableAverageAllInYieldPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="sevn_LoansReceivableWeightedAverageFloorPercentage" abstract="false" name="LoansReceivableWeightedAverageFloorPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="sevn_LoansReceivableWeightedAverageTermOfMaturity" abstract="false" name="LoansReceivableWeightedAverageTermOfMaturity" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sevn_MortgageLoansOnRealEstateWeightedAverageRiskRatingOfPortfolio" abstract="false" name="MortgageLoansOnRealEstateWeightedAverageRiskRatingOfPortfolio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="sevn_SECSchedule1229RealEstateCompaniesInvestmentInMortgageLoansOnRealEstateDeferredInterestCapitalizedToLoansHeldForInvestmentPrincipal" abstract="false" name="SECSchedule1229RealEstateCompaniesInvestmentInMortgageLoansOnRealEstateDeferredInterestCapitalizedToLoansHeldForInvestmentPrincipal" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sevn_MortgageLoanRepaymentsGross" abstract="false" name="MortgageLoanRepaymentsGross" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sevn_SECSchedule1229RealEstateCompaniesInvestmentInMovementInMortgageLoansOnRealEstateDeferredFeesAndOtherItemsRollForward" abstract="true" name="SECSchedule1229RealEstateCompaniesInvestmentInMovementInMortgageLoansOnRealEstateDeferredFeesAndOtherItemsRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sevn_RealEstateCompaniesInvestmentInMortgageLoansOnRealEstateDeferredFeesAndOtherItems" abstract="false" name="RealEstateCompaniesInvestmentInMortgageLoansOnRealEstateDeferredFeesAndOtherItems" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sevn_MortgageLoanAdditionalFundingDeferredFeesAndOtherItems" abstract="false" name="MortgageLoanAdditionalFundingDeferredFeesAndOtherItems" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sevn_MortgageLoanRepaymentsDeferredFeesAndOtherItems" abstract="false" name="MortgageLoanRepaymentsDeferredFeesAndOtherItems" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sevn_AmortizationOfDeferredLoanOriginationFeesExcludingRepaymentsNet" abstract="false" name="AmortizationOfDeferredLoanOriginationFeesExcludingRepaymentsNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sevn_SECSchedule1229RealEstateCompaniesInvestmentInMortgageLoansOnRealEstatePurchaseDiscountAccretion" abstract="false" name="SECSchedule1229RealEstateCompaniesInvestmentInMortgageLoansOnRealEstatePurchaseDiscountAccretion" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sevn_SECSchedule1229RealEstateCompaniesInvestmentInMovementInMortgageLoansOnRealEstateAmortizedCostRollForward" abstract="true" name="SECSchedule1229RealEstateCompaniesInvestmentInMovementInMortgageLoansOnRealEstateAmortizedCostRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sevn_MortgageLoanAdditionalFundingNet" abstract="false" name="MortgageLoanAdditionalFundingNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sevn_SECSchedule1229RealEstateCompaniesInvestmentInMortgageLoansOnRealEstateDeferredInterestCapitalizedToLoansHeldForInvestmentAmortizedCost" abstract="false" name="SECSchedule1229RealEstateCompaniesInvestmentInMortgageLoansOnRealEstateDeferredInterestCapitalizedToLoansHeldForInvestmentAmortizedCost" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sevn_StudentHousingMember" abstract="true" name="StudentHousingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_SelfStorageMember" abstract="true" name="SelfStorageMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_SouthMember" abstract="true" name="SouthMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_EastMember" abstract="true" name="EastMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_WestMember" abstract="true" name="WestMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_MidwestMember" abstract="true" name="MidwestMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_MortgageLoansOnRealEstatePercentageOfValueOfPortfolio" abstract="false" name="MortgageLoansOnRealEstatePercentageOfValueOfPortfolio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="sevn_RiskLevelOneMember" abstract="true" name="RiskLevelOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_RiskLevelTwoMember" abstract="true" name="RiskLevelTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_RiskLevelThreeMember" abstract="true" name="RiskLevelThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_RiskLevelFourMember" abstract="true" name="RiskLevelFourMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_RiskLevelFiveMember" abstract="true" name="RiskLevelFiveMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_LoansHeldForInvestmentNetIncludingUnfundedLoanCommitmentsMember" abstract="true" name="LoansHeldForInvestmentNetIncludingUnfundedLoanCommitmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_LoansHeldForInvestmentNetMember" abstract="true" name="LoansHeldForInvestmentNetMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_UnfundedLoanCommitmentsMember" abstract="true" name="UnfundedLoanCommitmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_BellevueWAMember" abstract="true" name="BellevueWAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_OfficePropertyDownersGroveILMember" abstract="true" name="OfficePropertyDownersGroveILMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_RealEstateOwnedGross" abstract="false" name="RealEstateOwnedGross" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sevn_RealEstateOwnedAssets" abstract="false" name="RealEstateOwnedAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sevn_RealEstateOwnedAccruedExpensesAndOtherLiabilities" abstract="false" name="RealEstateOwnedAccruedExpensesAndOtherLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sevn_RealEstateOwnedLiabilities" abstract="false" name="RealEstateOwnedLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sevn_RealEstateInvestmentOtherStraightLineRentReceivable" abstract="false" name="RealEstateInvestmentOtherStraightLineRentReceivable" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sevn_UBSMember" abstract="true" name="UBSMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_WellsFargoMember" abstract="true" name="WellsFargoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_CitibankMember" abstract="true" name="CitibankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_BMOMember" abstract="true" name="BMOMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_MortgagesAndRelatedAssetsMember" abstract="true" name="MortgagesAndRelatedAssetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_MasterRepurchaseAgreementsMember" abstract="true" name="MasterRepurchaseAgreementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_AssetSpecificFinancingMember" abstract="true" name="AssetSpecificFinancingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_AssetsSoldUnderAgreementsToRepurchaseAuthorizedAmount" abstract="false" name="AssetsSoldUnderAgreementsToRepurchaseAuthorizedAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sevn_AssetsSoldUnderAgreementsToRepurchasePrincipalAmount" abstract="false" name="AssetsSoldUnderAgreementsToRepurchasePrincipalAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sevn_LongTermDebtMaturityYearThreeAndThereafter" abstract="false" name="LongTermDebtMaturityYearThreeAndThereafter" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sevn_RightsOfferingMember" abstract="true" name="RightsOfferingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_BaseManagementFeePercentFeeQuarterly" abstract="false" name="BaseManagementFeePercentFeeQuarterly" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="sevn_BaseManagementFeePercentFeeAnnualized" abstract="false" name="BaseManagementFeePercentFeeAnnualized" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="sevn_ManagementServicesMember" abstract="true" name="ManagementServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_PropertyManagementServicesMember" abstract="true" name="PropertyManagementServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_ConstructionSupervisionServicesMember" abstract="true" name="ConstructionSupervisionServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_PurchaseOfMortgageLoansMember" abstract="true" name="PurchaseOfMortgageLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_TremontRealtyAdvisorsLLCMember" abstract="true" name="TremontRealtyAdvisorsLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_TheRMRGroupIncMember" abstract="true" name="TheRMRGroupIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_AdamPortnoyMember" abstract="true" name="AdamPortnoyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_ABPTrustMember" abstract="true" name="ABPTrustMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_TransferrableRightsOfferingMember" abstract="true" name="TransferrableRightsOfferingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sevn_RelatedPartyTransactionSharesOwnedByRelatedParty" abstract="false" name="RelatedPartyTransactionSharesOwnedByRelatedParty" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sevn_RelatedPartyTransactionCommonSharesOwnershipPercentage" abstract="false" name="RelatedPartyTransactionCommonSharesOwnershipPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="sevn_PropertyManagementAgreementTerminationNoticePeriod" abstract="false" name="PropertyManagementAgreementTerminationNoticePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sevn_RealEstateOwnedPropertyManagementAndConstructionSupervisionFees" abstract="false" name="RealEstateOwnedPropertyManagementAndConstructionSupervisionFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sevn_SharesToPurchaseThroughRightsOfferingPercentage" abstract="false" name="SharesToPurchaseThroughRightsOfferingPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
</xs:schema>
