Ex 1. Join the two parts of sentences.

1. Sam plays tennis...

2. Sam is playing football...

3. Sam has played football...

4. Sam played football...

5. Sam was playing football...

6. Sam will play football...

a) every Monday.

b) for several times.

c) at the moment.

d) at that time.

e) next Monday.

f) when he was 15.