1.
1a 2c 3b
2.
1.Tom is the worst pupil of our class.
2. My dress is better than my sister's dress.
3.
4. isn't it 5. am not I 6. haven't they
4.
1. Second Conditional
2. Third Conditional
3. First Conditional
4. Third Conditional
5.
1. would have translated had given
2. will catch walks
3. would help is
6.
1. was published 2. will be done 3.wasn't built
7.
1. The letters will be sent twice a week.
2. German is spoken by many people.