HAVE TO / HAS TO
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Remember
��������� �Have to� is used to express obligation (when something is necessary).���
��������� Has to is used with he, she, it (in affirmative sentences)
��������� Don�t have to is used with I, you, we, they (in negative sentences)
��������� Doesn�t have to is used with he, she, it (in negative sentences)
��������� For questions we use �do / does + subject + have to"
��������� We use �had to� to express obligation in the past
Fill in the gaps using �have to�, �has to�, �don�t have to�, �doesn�t have to�
Say whether these sentences are in present or past