1. cheap - cheaper - the cheapest
2. far - farther - the farthest (further - the furthest)
3. hot - hotter - the hottest
4. cheerful - more cheerful - the most cheerful
5. pretty - prettier - the prettiest
6. red - redder - the reddest
7. noisy - noisier - the noisiest
8. terrible - more terrible - the most terrible
9. late - later - the latest (late - latter - the last)
10. bad - worse - the worst
11. difficult - more difficult - the most difficult
12. few - fewer - the fewest
13.old - older - the oldest (old - elder - the eldest)
14. sleepy - sleepier - the sleepiest
15. thin - thinner - the thinnest
2)
1. listened
2. was playing
3. were; doing; rang
4. visited
3)
1. went
2. have already written
3. has done
4. played, danced, sang
Объяснение:
На Past Simple указывают слова yesterday, 2 weeks ago, in 1999 и т.д, в утверждениях использует V2/Ved
На Past Continuous слова, такие как yesterday at 5 o'clock, from 3 till 4 yesterday и т.д, в утверждениях использует be в времени (was/were)+Ving
На Present Perfect: already, yet, today, this week (today, this week - при условии, что этот временной промежуток не окончен) и т.д. В утверждениях использует have/has+V3/Ved
2. When did Elizabeth invite us to her Drama Club?
3. What do the girls from our class like?
4. What did Mark take?
5. What kind if swimmer will you become in our school?