1 Yesterday we began to paint the house.
2 The kids built a sandcastle but the waves broke it.
3 I did my homework two hours ago.
4 Sally wrote a letter and went to the post-office to buy an envelope.
5 We saw you in the zoo last weekend.
6 Peter drank a glass of water but he still felt thirsty.
7 I read this book when I was eight.
8 Somebody stole my bike last week.
9 They heard a strange noise behind the wall.
10 Robin ate too much last night.