1…I went to a concert was over a year ago.

2…haven’t really enjoyed myself since your birthday party.

3….hasn’t seen his brother for nearly 20 years.

4….been in Scotland since last Friday. ……gone to Scotland since last Friday.

5…….. since you rode a bike?

6………been swimming since I was in France./ ………..gone swimming since I was in France.

7….weeks since you tided up this room.

8…. Been in touch with her for three weeks.

9….visited France in 1990.

10…three weeks since it rained.

11….time I have eaten this kind of food.

12….you had passed/ hadn’t failed your driving test.