Ve • must/mustn't
n.
e.)
5
6.6.13.1 Read the table. Complete the
rules. Use must or mustn't. Are there
similar structures in your language?
vm
Affirmative
Negative
1/You/He/She etc must I/You/He/She etc
help with chores. mustn't talk in class.
to express obligation
(It's your duty.)
. We use
to express prohibition
(It's against the rules.)
. We use
o
dicine
friend​

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