1. 1. fast - faster - the fastest
2. heavy - heavier - the heaviest
3. dangerous - more dangerous - the most dangerous
4. small - smaller - the smallest
5. large - larger - the largest
6. light - lighter- the lightest
7. rare - rarer - the rarest
8. common - more common - the most common
9. bad - worse - the worst
10. good - better - the best
2. 1) Cats are more popular than snakes as pets.
2) Pigs are more intelligent than other animals.
3) Turtles are slower than crocodiles.
4) Elephants are heavier than pigs.
5) Bears are rarer than snakes.
1. The other day we went (to go) to the picture gallery.
2. It’s the second time I have driven (to drive) a car.
3. It’s awful. They have destroyed (to destroy) the old church lately.
4. The children have come (to cоme) home just now.
5. Last summer my father taught (to teach) me to play chess.
6. He saw (to see) the film two days ago.
7. Have you been (to be) to Australia before?
8. I have just had (to have) breakfast, I’m not hungry.
9. Lately Jane has seen (to see) beautiful flowers.
10. It’s the first time we have been (to be) on such an interesting journey.
11. I visited (to visit) my granny the day before yesterday.
12. They have written (to write) their letters just now.
13. Look! The child has broken (to break) his bike.
14. He bought (to buy) the dictionary the other day.
15. In fact Jack has gone (to go) to America several times.
16. She has just had (to have) lunch, she’s not hungry.
1) Sherlock Holmes, Watson, the family Baskerville
2)yes, detective have to great intellect