Use of When and If

If is used to talk about....

• things which are not possible

• things which are sure

• things which are possible

• things which are not sure

when is used to talk about....

• things which are not possible

• things which are sure

• things which are possible

• things which are not sure

_______ she gets a job, she’ll pay you back. (√)

• when

• do

• if

• does

______ I have time, I’ll call you.. (?)

• when

• do

• if

• does

____ they pass the test, they’ll have a party.. (?)

• if

• does

• when

• do

_____ you water the plants, the plants grow. (?)

• when

• does

• do

• if

_____ I get home I'll call with my wife about our next vacations (√)

• do

• if

• when

• does

___ Tom does exercise, he will lose weight (?)

• do

• if

• when

• does

______ Jessica starts driving, she'll make a lot of mistakes. (√)

• when

• will

• done

• if

_____ I see him again, I will pay him. (?)

• when

• will

• done

• if