9.His mother …………………………………………. (worry) a lot about him before she
……………………………………… (hear) that he was asfe.
10.He ……………………………………………….. (already / learn) English before he
…………………………………………. (leave) for England, but before he arrived in England, he ……………………………………… (forget) some.
11.Mary ………………………………………….. (go) swimming after she …………………
(come) home. After she ………………………………… (swim), she …………………….
(call) her friend Judy.
12.I ……………………………………… (go) to the theatre with my friends yesterday. I
……………………………… (not / go) to the theatre for a year. We ……………………..
(have) a very good time.
13.After they ……………………………… (finish) their breakfast, they ……………………
(leave) for school.
14.Linda ……………………………………. (play) tennis after she …………………………
(do) her homework.
15.My father ……………………………. (water) the flowers after he ……………………….
(clean) the car. After he ………………………………….. (water) the flowers, he
…………………………….. (have) dinner.

9.His mother worried a lot about him before she hadheard that he was safe.10.He had already learned English before heleft for England, but before he arrived in England, he'd forgotten some.11.Mary went swimming after she came home. After she had swam, she called her friend Judy.12.I went to the theatre with my friends yesterday. Ihadn't went to the theatre for a year. We had a very good time.13.After they had finished their breakfast, they left for school.14.Linda played tennis after she had done her homework.15.My father watered the flowers after he had cleaned the car. After he had watered the flowers, hehad dinner.