Put the verbs in brackets into the correct tense.
1. When it (get) dark we’ll have to stop. We can’t work in the dark.
2. Go on till you (come) to a square with a statue in the middle; then turn left and you’ll find the theatre on your right.
3. Immediately the train (stop) we’ll jump out.
4. I’ll help you with your homework as soon as I (do) my own.
5. He was determined to keep the two dogs apart because he knew that the moment they (see) one another they’d start barking.
6. I know the coat’s unfashionable but I’m not going to throw it away. I’ll keep it till that style (come) into fashion again.