HAVE TO

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HAVE TO
HAVE TO
It is used to describe things that are necessary to do:
You have to fill in all the spaces.
AND
It is used to describe things that are not necessary to do:
You don’t have to write all the information.
PRACTICE
Complete the rules of the library using have to, don’t have to:
You …………………………….. be a member to borrow from the library.
You …………………………….. be over 18 to become a member.
You …………………………….. pay for the annual membership. 
You …………………………….. pay if you are a full time student or a teacher.
have to
have to
have to
don’t have to
You …………………………….. have your reader’s card with you if you want to use the library. 
You …………………………….. renew the loan once a week.
You …………………………….. return books before or on the due date.
You …………………………….. return the books to their original places if you don’t need them. Leave them on the desk.
have to
have to
have to
don‘t have to