Put the verbs in brackets into the correct tense.
1) Unless we go now, we ...... (be) late.
2) When she arrives, I .... (call) you.
3) I'll be next door in case you ..... (need) me.
4) The whales won't be there by the time we .... (get)ther.
5) If they ..... (clean) the beach, we will be able to go swimming.
6) The turtles will be back as soon as they .... (close) off the area.
7) Could you pick up your litter before you ..... (leave)?
8) I ..... (wait) until I see the whales.
9) She left early so that she ...... (not/be) late.
10) They train hard every day so that they .... (play) their best.