Which conditional – 0, 1, or 2? Open the brackets and put the verbs into the appropriate forms. If iron (get wet), it (rust).
If I (be) an astronaut, I (take) photos of Turkey from space.
If there (be) no rain, the grass (grow).
If you (add) 10 to 5, you (get) 15.
If we (know) more about biology, we (get) better marks.
If Jane and Frank (be) here, we (go) to a new exhibition.
You (catch) a cold if you (not, wear) a scarf.
If I (not, understand) the question, I (answer) it.
If George (get) more money, he (buy) a new TV.
We (come) to his party if he (invite) us.
If students (do) their homework on time, the teacher (be) happy.
If babies (be) hungry, they usually (cry).