(( ex. 1. open the brackets in present perfect or past simple: 1. i (to lose) this paper yesterday. 2. he just (to play) a game of chess. 3. nick already (to finish) this job. 4. he never (to travel) by plane. 5. john (to buy) a house last year. 6. i (not to see) smith since 1998. 7. i (not to see) smith in 1998. 6. they (not to win) any matches lately.
