If people eat too much, then they (must) be fat.
must
If you touch fire, then you (can) get burned.
can
If baby cries, then he (must) be hungry.
must
If Tom's grandmother asks for help, then he (must) help her.
must
If he has time, then he (must) watch TV.
must
If teacher asks Jenny a question, then she (must) answer it.
must
If children don't eat well, then they (not / can) be healthy.
cannot
If you bring bad mark, then you (must) wash the dishes.
must
If I speak to Peggy, then she (can) get angry.
can
If Pug asks you to a party, then you (must) bring a present.
must
If Boo comes home early, then he (must) walk the dog.
must
If you forget an umbrella, then you (must) get wet.
must
If Harry doesn't clean his room, then his mother (can) be angry.
can
If it rains, then Jenny (can) be sad.
can
If Tom doesn't eat, then he (can) feel hungry.
can
If he breaks a pencil, then he (not / can) write.
cannot
