Zero Conditional

Complete the zero conditional sentences with the verb in brackets. Use contractions where possible.
 
 
 
1.  If you press that button, the light ____________(come) on.
2.  It's easier to sleep if _______________(you / not / be) stressed.
3.  The teacher gets angry if _____________________(we / not / work) hard.
4.  If(I / go)___________________ on a boat, I always feel sick.
5.  His mother gets annoyed if ________________________(he / be) late.
6.  If(I / not / know)_____________________ a word, I look in my dictionary.
7.  They play football if (they / not / have) ________________________any homework.
8.  If you freeze water,(it / turn) _______________________ to ice.