6) When we (finish) dinner, we went out.
7) The garden was dead because it (be) dry all summer.
8) He (meet) her somewhere before.
9) We were late for the plane because we (forget) our passports.
10) She told me she (study) a lot before the exam.
11) The grass was yellow because it (not/rain) all summer.
12) The lights went off because we (not/pay) the electricity bill.

6) When we had finished (finish) dinner, we went out.

7) The garden was dead because it had been (be) dry all summer.

8) He had met (meet) her somewhere before.

9) We were late for the plane because we had forgotten (forget) our passports.

10) She told me she had studied (study) a lot before the exam.

11) The grass was yellow because it had not rained (not/rain) all summer.

12) The lights went off because we had not paid (not/pay) the electricity bill.