Supply a) can, b) must or their equivalents. put to where necessary.
a) 1. you play chess a little? when i was at school but i now. (2nd verb neg.) 2. he has
been ill for a long time. i suppose he write this paper. (neg.) 3. i remember her address.
(neg.) i even remember the street. (neg.) 4. you've put too much in your rucksack;
never carry all that. 5. when i was a child i understand adults, and now that i am an adult i ..
understand children. (neg., neg.) 6. don't try to look at all the pictures in the gallery. otherwise
when you get home you remember any of them. (neg.) 7.when i first went to england i read
english but i speak it. (2nd verb neg.) 8. you come to my place tomorrow? — yes, i
come at 8 o'clock.
b) 1. last term she leave home at eight every morning. 2. he sees very badly; he wear
glasses all the time. 3. you read this book. it's really excellent. 4. she felt ill and leave early.
5. bob cook his own meals. his wife is away. 6. doctor: i can't come now. caller: you come;
he is terribly ill. 7. the buses were all full; 1 get a taxi. 8. tell her that she be here by six
tomorrow, i insist on it. 9. i got lost and ask the passerby to show me the way. 10. if you want
to have this book, you come to my place in the evening.
