Complete the zero conditional sentences with the correct forms of the verbs given. Don't use contractions.

Write 1–3 words in each gap.

to add / to get, to start / to be, to drink / can not, to turn / to be

When Jane [ ] coffee, she [ ] sleep.

[ ] eating without me if I [ ] late.

Metal [ ] red if it [ ] heated.

If you [ ] five and three, you [ ] eight.