4 Complete the sentences with the third conditional form of
the verbs in brackets.
1 If you (set) the alarm dock, you (not
be) late for school!
2 If I (know) it was her birthday today,
_ ___ (send) her a card.
3 If I (hear) the phone ring, I (answer)
it.
4 If you _---, __ (not waste) all your pocket money, you
(not have to) borrow money from me!
5 This coat (be) cheaper if I (buy) it in
the sale.
6 Sally (not fail) her exams if she ___ _
(revise) properly for them.
7 We (play) tennis if the grass (n ot be)
wet.
8 He (not crash) his car if he Cnot
drive) so fast.
Rewrite the sentences as third conditional sentences,
1 I didn't pay by credit card because I forgot my wallet.
1 I d have paid by credit card if I hadn't forgotten my wallet
2 They didn't give you a refund because you didn't keep
your receipt.
3 I didn't lend you any money because I was broke.
4 I didn't notice the mistake because I didn't check my
change.
5 I didn't buy the dress because it wasn't in the sale.
6 I got into debt because I lost my job.
2. How long has she been feeling unwell?
3. I've never met such a nice person before.
4. I have been waiting for you since four o'clock.
5. She has never written a letter by hand since she bought a computer.
6. I wonder where you have been all this time.
7. I have been learning English for five years.
8. You never know how he is going to react.
9. She has tripped over the cat and nearly fell over.
10. Look! I have found a ten-pound note! - Where did you find it?
11. Margaret is taking driving lessons now.
12. In recent years terrorism has become a greater threat.
13. The rain came suddenly and it has soaked all the washing.
14. Ever since we met, you have never asked me what I prefer to do.
15. How long have you lived here?
16. I have been interested in sports since my childhood.
17. What have you been doing since you left Cambridge?