1.can
2.should
3.can’t
4.can
5.can
6.should
7.must
8.should
9.can’t
10.mustn’t
11.shouldn’t
12.must
13.mustn’t
14.should
15.must
16.shouldn’t
17.shouldn’t
18.mustn’t
19.mustn’t
1)Comparative forms :
1)Shorter
2)worse
3)more boring
4)farther .
2.Superlative form .
1)the shortest
2)the worst
3)the most boring
4)the farthest .
1 I was playing yesterday when it started to rain.
2 Was Ivan training every day last month?
3 Were you swimming when you saw the shark?
4 Katrina and George were riding
their bikes when they found the lost puppy.
5 Diane wasn't watching the basketball match at three o'clock.
6 Wendy was listening to the coach very carefully, but the other players weren't .
7 What were you doing when you heard the news?
8 While Darren and I were playing a chess match, the lights went off.
2 do not read; 3 is; 4 read; 5 am reading; 6 is; 7 are; 8 buy; 9 get; 10 give; 11 am readingl 12 use; 13 stert; 14 try