a) You are only wearing a t-shirt and shorts. You must feel cold!
b) I may not be at school tomorrow. I feel ill.
c) Tina searched the swimming pool, but wasn’t able to find her ring.
d) Perhaps you left your wallet on the bus, or it might be at home.
e) The exam was long, and I couldn't finish all the questions.
f) Brian didn’t have to do any homework, so he went to the cinema.
g) This cannot be the house. It’s the wrong number. Let’s try down here.
h) Ann can run much faster than her friends.
i) This bill can't be right. There’s a mistake in it somewhere.
j) Sorry I was out. I went to go to the shops.
2. He has just made a model aeroplane. pres perf
3. They are singing songs now. pres cont
4. She was playing the piano all the evening yesterday. past cont
5. He has presented his collection to the museum. pres perf
6. My friend bought this rare book at the jumble-sale. past simp
7. The unique collection of ancient books was presented to him by his father. past simp
8. The books were found by the collectors in rare-book shops. past simp
9. Books on a particular subject were included in subject collections. past simp
10. Some books are translated into different languages. pres simp