EXHIBIT 4.6CERTIFICATE

GS MORTGAGE SECURITIES CORP., DEPOSITOR
MORTGAGE PASS-THROUGH CERTIFICATES, SERIES 2005-3F
CLASS [   ] CERTIFICATE

UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY, A NEW YORK CORPORATION (“DTC”), TO THE TRUSTEE, IN ITS CAPACITY AS CUSTODIAN FOR DTC (IN SUCH CAPACITY, THE “CUSTODIAN”) OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE, OR PAYMENT, AND ANY CERTIFICATE ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH OTHER NAME AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT MADE TO CEDE & CO. OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE, OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN.

[THE YIELD TO THE HOLDER OF THIS CERTIFICATE WILL BE EXTREMELY SENSITIVE TO THE RATE OF PRINCIPAL PAYMENTS (INCLUDING PREPAYMENTS) ON THE MORTGAGE LOANS.]

[THIS CLASS [   ] CERTIFICATE SHALL NOT BE ENTITLED TO ANY DISTRIBUTIONS WITH RESPECT TO PRINCIPAL.]

[THIS CLASS [   ] CERTIFICATE IS SUBORDINATED TO THE EXTENT DESCRIBED HEREIN AND IN THE TRUST AGREEMENT REFERENCED HEREIN.]

THIS CLASS [   ] CERTIFICATE REPRESENTS A REMIC REGULAR INTEREST FOR FEDERAL INCOME TAX PURPOSES.

THE PRINCIPAL OF THIS CLASS [   ] CERTIFICATE IS SUBJECT TO PREPAYMENT FROM TIME TO TIME WITHOUT SURRENDER OF OR NOTATION ON THIS CERTIFICATE. ACCORDINGLY, THE CERTIFICATE PRINCIPAL BALANCE OF THIS CERTIFICATE MAY BE LESS THAN THAT SET FORTH BELOW. ANYONE ACQUIRING THIS CERTIFICATE MAY ASCERTAIN ITS CURRENT CERTIFICATE PRINCIPAL BALANCE BY INQUIRY OF THE CUSTODIAN.

GS MORTGAGE SECURITIES CORP., DEPOSITOR
MORTGAGE PASS-THROUGH CERTIFICATES, SERIES 2005-3F
CLASS [   ] CERTIFICATE

[(1)

This Certificate is an interest-only certificate and is not entitled to payments of principal.]

GS MORTGAGE SECURITIES CORP., DEPOSITOR
MORTGAGE PASS-THROUGH CERTIFICATES, SERIES 2005-3F
CLASS [   ] CERTIFICATE

evidencing a beneficial ownership interest in a Trust Fund consisting of the entire beneficial ownership of a pool of certain fixed-rate, one- to four-family, first lien Mortgage Loans formed and sold by

GS MORTGAGE SECURITIES CORP.

THIS CERTIFICATE DOES NOT REPRESENT AN OBLIGATION OF OR INTEREST IN, AND IS NOT GUARANTEED BY, GS MORTGAGE SECURITIES CORP., THE SERVICERS, THE TRUSTEE, THE CUSTODIAN OR ANY OF THEIR AFFILIATES.

THIS CERTIFIES THAT:

CEDE & CO.

is the registered owner of the Percentage Interest evidenced by this Certificate in the Class [   ] Certificates (the “Class [   ] Certificates”) issued pursuant to a master servicing and trust agreement, dated as specified above (the “Trust Agreement”), among GS Mortgage Securities Corp., as Depositor (hereinafter the “Depositor,” which term includes any successor entity under the Trust Agreement), JPMorgan Chase Bank, National Association, as custodian, securities administrator and master servicer (in such capacities, the “Custodian,” the “Securities Administrator” and the “Master Servicer,” respectively), and Wachovia Bank, National Association, as Trustee (the “Trustee”), a summary of certain of the pertinent provisions of which is set forth hereafter.  The Trust Fund consists primarily of a pool of Mortgage Loans.  This Certificate is issued under and is subject to the terms, provisions and conditions of the Trust Agreement and also is subject to certain terms and conditions set forth in (i) the Assignment, Assumption and Recognition Agreement dated as of March 1, 2005, by and among the Depositor, the Trustee, Countrywide Home Loans Servicing LP and Countrywide Home Loans, Inc., and as acknowledged by the Master Servicer (the “Countrywide Trustee AAR”), (ii) the Assignment, Assumption and Recognition Agreement dated as of March 1, 2005, by and among the Depositor, the Trustee and IndyMac Bank, F.S.B, and as acknowledged by the Master Servicer (the “IndyMac Trustee AAR”), (iii) the Assignment, Assumption and Recognition Agreement dated as of March 1, 2005, by and among the Depositor, the Trustee and National City Mortgage Co., and as acknowledged by the Master Servicer (the “National City Trustee AAR, “ and together with the Countrywide Trustee AAR, the IndyMac Trustee AAR and the National City Trustee AAR, the “Assignment Agreements”), and (iv) the related documents assigned pursuant thereto to which the Holder of this Certificate, by virtue of the acceptance hereof, assents and by which such Certificateholder is bound.

Distributions of principal of and interest on this Certificate (including the final distribution on this Certificate) will be made out of the related Available Distribution Amount, to the extent and subject to the limitations set forth in the Trust Agreement, on the 25th day of each month, or if such day is not a Business Day, the next succeeding Business Day, beginning in April 2005 (each, a “Distribution Date”), commencing on the first Distribution Date specified above, to the Person in whose name this Certificate is registered at the close of business on the last Business Day of the related Interest Accrual Period (the “Record Date”).  The “Interest Accrual Period” for any Distribution Date is the immediately preceding calendar month.  All sums distributable on this Certificate are payable in the coin or currency of the United States of America as at the time of payment is legal tender for the payment of public and private debts.

[Distributions of principal of and interest on this Certificate (including the final distribution on this Certificate) will be made out of the related Available Distribution Amount, to the extent and subject to the limitations set forth in the Trust Agreement, on the 25th day of each month, or if such day is not a Business Day, the next succeeding Business Day, beginning in April 2005 (each, a “Distribution Date”), commencing on the first Distribution Date specified above, to the Person in whose name this Certificate is registered at the close of business on the last Business Day of the related Interest Accrual Period (the “Record Date”).  The “Interest Accrual Period” for any Distribution Date the period from and including the 25 ^th day of the immediately preceding month to and including the 24 ^th day of the current month.  All sums distributable on this Certificate are payable in the coin or currency of the United States of America as at the time of payment is legal tender for the payment of public and private debts.]

[Distributions of interest on this Certificate (including the final distribution on this Certificate) will be made out of the related Available Distribution Amount, to the extent and subject to the limitations set forth in the Trust Agreement, on the 25th day of each month, or if such day is not a Business Day, the next succeeding Business Day, beginning in April 2005 (each, a “Distribution Date”), commencing on the first Distribution Date specified above, to the Person in whose name this Certificate is registered at the close of business on the last Business Day of the related Interest Accrual Period (the “Record Date”).  The “Interest Accrual Period” for any Distribution Date is the immediately preceding calendar month.  All sums distributable on this Certificate are payable in the coin or currency of the United States of America as at the time of payment is legal tender for the payment of public and private debts.]

[Distributions of interest on this Certificate (including the final distribution on this Certificate) will be made out of the related Available Distribution Amount, to the extent and subject to the limitations set forth in the Trust Agreement, on the 25th day of each month, or if such day is not a Business Day, the next succeeding Business Day, beginning in April 2005 (each, a “Distribution Date”), commencing on the first Distribution Date specified above, to the Person in whose name this Certificate is registered at the close of business on the last Business Day of the related Interest Accrual Period (the “Record Date”).  The “Interest Accrual Period” for any Distribution Date is the period from and including the 25 ^th day of the immediately preceding month to and including the 24 ^th day of the current month.  All sums distributable on this Certificate are payable in the coin or currency of the United States of America as at the time of payment is legal tender for the payment of public and private debts.]

[Distributions of principal of this Certificate (including the final distribution on this Certificate) will be made out of the related Available Distribution Amount, to the extent and subject to the limitations set forth in the Trust Agreement, on the 25th day of each month, or if such day is not a Business Day, the next succeeding Business Day, beginning in April 2005 (each, a “Distribution Date”), commencing on the first Distribution Date specified above, to the Person in whose name this Certificate is registered at the close of busines