AFTER / BEFORE / AS SOON AS / WHEN / WHILE / IF / UNLESS / UNTIL 

 

                                             +

 

                                       PRESENT SIMPLE TENSE

 

 

John  will go home                            after                         he finishes work.

 

I’ll quit the job                                   if                              they don’t increase my salary.

 

She’ll  read the contract again          before                       she signs it.

 

We’ll transfer the money                  as soon as                we receive the products.

 

I’ll give Frederick the money            when                        I see him tomorrow.

 

I’ll wait here                                     while                        you do your holiday shopping.

 

Don’t tell her anything                      until                         I arrive.

 

 

WHEN/ IF

 

We use when about things which are certain.

We use ‘if’ about things which are not certain:

 

I’ll buy some chocolate when I go shopping.(I know I’m going to go shopping)

I’ll buy some chocolate if  I go shopping.      (I don’t know whether I’ll go shopping or not)

 

 

EXERCISES

 

Put the verbs in correct form (Present or Future)

 

  1. If you (come) ______ to the afterwork party this evening, you (meet) ______ Jeremy.
  2. The government (have) ______ to introduce tax reforms before it (be) ______ too late.
  3. Don’t leave the office  until I (call) _____ you.
  4. Could you give Jack  my regards when you (see) _____ him.
  5. I (buy) ____ that house in Barcelona as soon as I (get) ____ a response from my bank.
  6. If they don’t make a profit, they (have) _______ to close the company.
  7. Mr. McIntyre (call) _______ you after he (get) _______ home.
  8. Check the figures before you (send) ________ the email.

 

 

 

Answers:

1)      come  /   ‘ll meet

2)      will have to  /   is

3)      call

4)      see

5)      ‘ll buy  /  get

6)      ‘ll have to

7)      will call  /  gets

8)      send