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1. Sam … before Ann got there.
a) has left b) left c) had lef
2. John said (that) he … in New York.
 a) lives b) has lived c) lived
3. Ann told Helen she … a good book. 
a) had boughtb) bought c) has bough
4. I said I … never to India.
 a) has been b) was c) had been
5.. If he … , I will call you.
a) will agree b) agrees c) agree
6.I don’t know if he … agree.
a) will b) is c) was