Complete the conditional sentences with the correct forms of the verbs in brackets. Don't use contractions.

Write 1–4 words in each gap.

(The zero conditional) When the sun [ ] (to set), it [ ] (to get) dark.

(The first conditional) If Jane [ ] (to finish) her work early, she [ ] (to go) for a walk in the park.

(The second conditional) If it [ ] (not to be) so cold outside, I [ ] (to go) for a run.

(The third conditional) If we [ ] (to leave) earlier, we [ ] (not to miss) our flight.