Complete the sentences with the correct form of the verbs in brackets. Use the first conditional.

1. If you......(go) to bed now, you .........(not/be) tired tomorrow.
2. I ......(lock) the door if I ......... (go out).
3. If Sam ....... (have) time, he ........ (download) the new app.
4. If we ....... (click) on this virus, it ....... (destroy) our computer.
5. I ....... (get) very cross if you ......... (not/switch off) that computer now.