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Put the verb s in brackets into the Present Continuous, the Present Perfect

or the Present Perfect Continuous Tense.

1) We’ll miss the train if you ... (not to pack) the suitcase yet.

2) If Stuart... (still to wait) for me, I’ll catch a taxi.

3) If Susan ... (still to sleep), I won’t wake her.

4) If Tony ... (to work) on this project for a week now, we should help him.

5) We can have dinner if Cindy ... (already to lay) the table.

6) We should stop the boys if they ... (still to fight).

7) If the taxi ... (not to arrive) yet, I’ll wait for it outdoors.

8) Jane should take a break if she ...(to prepare) for her exam for more than two hours now.

9) Unfortunately, we can’t have a picnic if it ... (still to rain).

10) If they ... (not to repair) your car yet, I can give you a lift