1.   But in four previous attempts, Peres was unable to win a clear electoral mandate himself.

2.   My previous attempts at getting rid of them had had the effect of reactivating them.

3.   What distinguishes this approach from previous attempts to deal with HIV?

4.   There have been previous attempts at coups.

5.   We regard such methods as entirely unacceptable.

6.   Previous attempts at filtering and oxygenating aquarium water had failed.

7.   This cut through the insoluble problem posed in previous attempts to collect betterment values created by public action.

8.   A possible taxonomy of deictic elements and terms follows, which modifies and builds on previous attempts by linguists such as Levinson.

9.   Previous attempts to sell the Bowl have failed but now an Anglo American consortium is believed to be bidding for the lease.