Question

Complete the sentences with the correct first conditional forms of the verbs in brackets. 1. If all the ice in the Arctic and Antarctic region ... (to melt), sea levels ... (to rise) and cause terrible floods. 2. If we ... (not to stop) the destruction of forests, our climate ... (to change) and cause natural disasters including flooding, drought and famine. 3. If we ... (not to restore) an ecological balance on our planet, we ... (not to leave) our earth clean and healthy for future generations. 4. If we ... (to plant trees), we ... (to reduce) air pollution. 5. If we ... (not to educate) public about the importance of nature protecting, we ... (to destroy) our planet. 6. The animals ... (to disappear) if we ... (not to protect) them and places they live in. 7. If we ... (not to begin) to change our behaviour, we ... (not to have) the world to live.

Answer 1

1. melts; will rise (после if мы ставим Present Simple, далее идёт Future Simple).
2. don’t stop; will change (после if мы ставим Present Simple, далее идёт Future Simple).
3. don’t restore; will not leave (после if мы ставим Present Simple, далее идёт Future Simple).
4. plant; will reduce (после if мы ставим Present Simple, далее идёт Future Simple).
5. don’t educate; will destroy (после if мы ставим Present Simple, далее идёт Future Simple).
6. will disappear; don’t protect (здесь главная часть будет до if, поэтому ставим future simple. После if идёт придаточная часть. Её мы оформляем во времени present simple).
7. don’t begin; won’t have (после if мы ставим Present Simple, далее идёт Future Simple).

Answer 2

1. If all the ice in the Arctic and Antarctic region melts, sea levels will rise and cause terrible floods.
2. If we do not stop the destruction of forests, our climate will change and cause natural disasters including flooding, drought, and famine.
3. If we do not restore an ecological balance on our planet, we will not leave our earth clean and healthy for future generations.
4. If we plant trees, we will reduce air pollution.
5. If we do not educate the public about the importance of nature protecting, we will destroy our planet.
6. The animals will disappear if we do not protect them and the places they live in.
7. If we do not begin to change our behavior, we will not have the world to live in.