Conditionals. Put the verbs in brackets into the correct tense.

If I miss this bus, I ………………… late for work.

If we ………………… the beach, it would look nicer.

When the sun sets, it ………………… dark.

If I were you, I ………………… my old clothes to charity.

If the polar ice melts, low-lying lands ………………… ().

Unless we stop global warming, crops ………………… .

If you heat water, it ………………… .

If we don't turn off the lights, we ………………… energy.

If I were you, I ………………… your old newspapers; it’s easy.

If everyone ………………… public transport, there would be less pollution.