1. If you (to go) to the cinema with me, I (to be) happy.
If you go to the cinema with me, I will be happy.
2. I (to call) Linh on Monday if I (to have) time.
I will call Linh on Monday if I have time.
3. If the water (to be) warm, we (swim) in the river.
If the water is warm, we will swim in the river.
4. If we (to keep) polluting the air, there (to be) more diseases.
If we keep polluting the air, there will be more diseases.
5. Unless we (to stop) damaging forests and seas, there (to be) fewer plants and animals.
Unless we stop damaging forests and seas, there will be fewer plants and animals.
6. If we (to keep) throwing trash on beaches, no one (to want) to visit them.
If we keep throwing trash on beaches, no one will want to visit them.
7. There (not be) any fish left if we (to keep) polluting the sea.
There will not be any fish left if we keep polluting the sea.
8. If Linh (to get up) at 6 a.m. tomorrow, she (to be) there in time.
If Linh gets up at 6 a.m. tomorrow, she will be there in time.
9. Nga (to bake) a cake tomorrow if she (to have) time.
Nga will bake a cake tomorrow if she has time.