Укажите время Past Simple или Past Perfect

1) The (travel) a lot last summer.
2)She (never,hear) the song before the concert.
3) It (rain) heavily yesterday.
4)My mum (already,cook) dinner when I (phone)
5)We (learn) the words by that time.
6)The train (leave) when we (come).

1) They travelled a lot last summer.

2)She had never heard the song before the concert.

3) It rained heavily yesterday.

4)My mum had already cooked dinner when I phoned

5)We had learnt words by that time.

6)The train had left when we came.