6.6.13.1 read the table. complete the
rules. use must or mustn't. are there
similar structures in your language?
affirmative
negative
i/you/he/she etc must i/you/he/she etc
help with chores. mustn't talk in class.
• we use .. to express obligation.
(it's your duty.)
we use to express prohibition.
(it's against the rules.)
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zimina31    1   14.01.2020 17:13    3