3-) 3. b) Work with a partner and answer the questions. a) How many things or people do we compare when we use the
comparative adjectives?
b) Does the comparative form of the adjectives show differences or
similarities?
c) What ending do we put to the adjective when the adjective is short?
d) What ending do we put to the adjective when it finishes in -y?
e) How do we make the comparative when the adjective is long (for
example, expensive)?
f) What is the comparative form of the adjective good?
g) How do we show in English that there is no difference between two
things or people?
h) Do we put ending -er to the adjectives when there is no difference
between things or people?
2. Whatever you do, you mustn't touch that switch. It`s very dangerous.
3. You mustn't forget what I told you. It`s very important.
4. We don't have to leave yet. We`ve got plenty of time.
5. Ann was feeling ill last night. She had to leave the party early.
6. I had to go to the bank yesterday to get some money.
7. The windows are very dirty. I must clean them.
8. The windows aren`t dirty. You don't have to clean them.
9. We arrived home very late last night. We had to wait half an hour for a taxi.
10. These cakes are very nice. You must have one.
11. We don't have to take an umbrella. It`s not going to rain.
Perfect 4. has been analysed 7. had analysed 2. had heated 3. shall have been heated 5. will have heated 1. have been transformed 4. will have transformed 5. has transformed 2. have tested 5. had been tested
Perfect Continuous 7. has been heating 6. will have been transforming 7. has been testing
Simple 1. was analysed 2. will analyse 5. analysed 1. shall heat 6. heat 3. transforms 3. tests 6. is tested 8. shall be tested