III. Do ex. 5, p 77(textbook)
VI. Write sentences to match
the functions. Use CAN, CAN'T, MUST or MUSTN'T:
a) You/eat in the classroom. (prohibition)
.
b) Students/memorize vocabulary. (obligation)
.
c) We/watch TV after doing our homework. (permission)
.
d) She/speak Chinese. (lack of ability)
.
e) David/run 900 metres in 4 minutes (ability)
.
Explanation (объяснение)
You must keep the room tidy ------------ obligation (That’s the rule)- правило, обязательно для выполнения
You mustn’t eat in class. ----------- (prohibition) – запрет
You can’t play loud music at night. -------------(refusing permission) – неразрешено
She can’t speak Spanish.----------lack of ability (неспособность)
He can skate well. -----------ability (способность)