First conditional, future time clauses

Grammar / B1 Grammar lessons and exercisea / First conditional, future time clauses

Exercise 1: Choose the Correct Form

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Explanation

Exercise 1: Choose the Correct Form

Complete each sentence with the correct form of the verb. Use present simple in time/condition clauses, and future/modal/imperative in the main clause.

1
I you an answer when I have one.
2
I'll call you as soon as I .
3
When you read this email, I on a plane to Germany.
4
I won't stay unless you .
5
If you don't find him, you .
6
He won't stop until he what he wants.
7
if I give you the address?
8
If he knows that you are here, he to contact you.
9
When I old enough, I'll travel around the world.
10
I'll sort this problem once I back.