Share Modal verbs (obligation and advice)
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Teachers _________ wear suits for work, but their clothes ______ be neat and clean.
Teachers needn't / don't have to wear suits for work, but their clothes must be neat and clean.
Students _______ use their mobile phones during the lessons.
Students mustn't use their mobile phones during the lessons.
You ________ arrive on time for lessons. It's important not to be late.
You must arrive on time for lessons. It's important not to be late.
You ______ eat lunch in the school canteen. Some students prefer to go home for lunch.
You needn't/don't have to eat lunch in the school canteen. Some students prefer to go home for lunch.
Students and teachers _______ be polite to each other.
Students and teachers must be polite to each other.
You __________ buy a coursebook, your teacher will give you one.
You needn't/don't have to buy a coursebook, your teacher will give you one.
You _______ eat or drink in any of the classrooms.
You mustn't eat or drink in any of the classrooms.
Students ___________take an exam at the end of the year.
Students must take an exam at the end of the year.
You ________ tell the boss what happened, or he'll fire you.
You must'n tell the boss what happened, or he'll fire you.
You _______ apologise; it isn't necessary.
You don't have to apologise; it isn't necessary.
I _________ wear a tie; I do it because I like wearing ties.
I don't have to wear a tie; I do it because I like wearing ties.
You ___________ bring a camera on your trip.
You should bring a camera on your trip.
You ___________ bring a bathing suit if you are going to a place with a beach.
You should bring a bathing suit if you are going to a place with a beach.
You __________ research the places you plan to visit.
You should research the places you plan to visit.
We _______ invite the Nortons to our party. They are nice people.
We should invite the Nortons to our party. They are nice people.
