1. I last saw a film a year ago. => I haven't _________________ a year. 2. I was trying to sleep when the phone rang. => The phone rang while I ________________. 3. They started playing chess in June. =>John has ____________ June. 4. Do you feel like trying a new sport? => Are you____________ a new sport?

`Answer + Explai n :`

`1.` I haven't seen a film since a year.

`->` S `+` has/have `+` not `+` P`2` `+` since `+…`

`2.` The phone rang while I was trying to sleep.

`->` QKĐ `+` while `+` QKTD

`3.` John has been playing chess since June.

`->` S `+` have/has `+` been `+` V-ing `+` `...` `+` since `+` mốc thời gian

`4.` Are you interesed in trying a new sport `?`

`->` Interested in `+` V-ing : Hứng thú gì..

`1`. I haven't seen a film for a year.

`->` S + have/has + not + V-pII + for + time

`2`. The phone rang while I was trying to sleep.

`->` S + V-ed/c2 + while + S + was/were + V-ing

`3`. John has played chess since June.

`->` S + have/has + V-pII + since + time

`4`. Are you interested in trying a new sport?

`->` S + be + interested in + V-ing: hứng thú làm gì