1.When I got to the station, I (meet ) John.
2.When I got to the station, John (sit ) in a coffee shop.
3.When I got to the station, John (wait ) me for 10 minutes.
4.When John (arrive ) here tomorrow, I (call ) you.
5.When you (come) here by this time tomorrow, I (tidy) the room up.
6.I (walk ) on the street when it rained.
7.Look ! A boy (run) after a little dog.
8.This is the best book I (ever read ).
9.China (lie) to the North of Vietnam.
10.The police caught the thief who (steal ) John’s motorbike.
11.Right now, I (need) some help.What are you doing ? Can you give me a hand?
12.At this time yesterday , Mr and Mrs.Brown’s daughter (clean ) the floor.
13.Why you always (argue) with each other ? I ‘m not pleased with you at all.
14.I ( try ) to contact you all day.Where have you been ?
15.I (try ) to contact you all day yesterday , but I couldn’t do that.
