11, This is the first time I have eaten this food.

12, She last played the piano five years ago.

The last time she played the piano was five years ago.

13, The last time he had his eyes tested was ten months ago.

It is ten months since he last had his eyes tested.

14, The last time I heard this song was ten years ago.

It is ten years since I last heard this song.

I last heard this song ten years ago.

15, She told us not to smoke in the house.

16, I asked them why they hadn’t mentioned the problem before.

17, If you exercise more, you will be fit.

18, No sooner had they arrived than things went wrong.

Hardly had they arrived when things went wrong.

Scarcely had they arrived when things went wrong.

19, I shouldn’t have parked outside the police station.

20, Not until he was 30 did he become a doctor.

21, Rarely does she spend time on playing video games.

22, Only when the show ended could she go to bed.
23, So costly was the watch that I could not afford it.

24, Only when I got home did I realize how dangerous the situation had been.

25, Not until my daughter was three could she speak a word.

26, I needn’t have given Ted the massage.

27, You don’t need to finish by Saturday.

28, Professor Van Helsing needs to be met at the airport.