If clauses - Grammar Exercise

Complete the following sentences using appropriate forms of the verb.

1	Oil floats if you ---------------------- it on water.
	pour
	pours
	poured
	had poured

2	If I ----------------------- you, we both would be happy.
	marry
	married
	had married
	will marry

3	If I have enough time tomorrow, I ------------------------- and see you.
	come
	would come
	will come
	would have come

4	If you don’t stop smoking, you ------------------------- seriously ill.
	fall
	would fall
	had fallen
	will fall

5	If you ------------------------- them, they would have come.
	invite
	had invited
	invited
	would invite

6	If she --------------------------- to university, she would have got a better job.
	went
	had gone
	has gone
	go

7	If you heat ice, it -------------------------.
	melts
	melt
	would melt
	melted

8	If you had worked harder, you --------------------------- your exam.
	would have passed
	would pass
	pass
	will pass

9	If she hadn’t helped me I ------------------------- in bad trouble.
	would be
	would have been
	will be
	will have been

10	If she ------------------------- harder, she would win.
	worked
	works
	had worked
	would work

If you didn't do so well, or you would like to learn more about if clauses before doing this exercise go to the if clauses study page. Click here for a printer friendly version of this grammar exercise.

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