Complete the sentences with the correct form of the verbs in brackets. Use the Zero or the First Conditional.

1. Plants _______ (die) if they _______ (not have) enough light.
2. If I _______ (see) that film tomorrow, I _______ (tell) you what it's like.
3. I _______ (phone) you tonight if I _______ (not go) out with Bill.
4. I always _______ (go) swimming on Friday afternoons if I _______ (have) time.
5. If I _______ (have) a party next month, I _______ (invite) all the students in my class.