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Illness / Positive and negative obligations
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What's wrong with me?
a stomach-ache
Oops!
Okay!
Snake ___ can/can't run.
can
Oops!
Okay!
What's wrong with me?
earache
Oops!
Okay!
What's wrong with me?
leg cramps
Oops!
Okay!
What's wrong with me?
a toothache
Oops!
Okay!
You mustn't/must wash your hands before lunch.
must
Oops!
Okay!
What's wrong with me?
a cough
Oops!
Okay!
What's wrong with me?
fever
Oops!
Okay!
What's wrong with me?
a cold
Oops!
Okay!
You mustn't/must study hard if you want to pass your exams.
must
Oops!
Okay!
We must/mustn't speak when the teacher's speaking.
mustn't
Oops!
Okay!
What's wrong with me?
headache
Oops!
Okay!
The monster ___ can/can't eat the boy.
can't
Oops!
Okay!
He ___ can/can't ride a bike.
can't
Oops!
Okay!
He ___ can/can't swim.
can't
Oops!
Okay!
What's wrong with me?
backache
Oops!
Okay!
What's wrong with me?
allergies
Oops!
Okay!
What's wrong with me?
a temperature
Oops!
Okay!
We must/mustn't forget our books.
mustn't
Oops!
Okay!
You must/mustn't shout in the library.
mustn't
Oops!
Okay!
What's wrong with me?
sore neck
Oops!
Okay!
They ___ climb a tree.
can
Oops!
Okay!
You mustn't/must pay attention at school.
must
Oops!
Okay!
You mustn't/must wear warm clothes when it is cold outside.
must
Oops!
Okay!
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