EFL, Vocabulary related to costumes (bow tie, handkerchief, waistcoat, suit, hat), Grammatical structures to express obligation (HAVE/HAS TO) and No Obligation (DON'T/ DOESN'T HAVE TO)
18. HAVE TO: OBLIGATION
I / You / We / They have to wear a suit.
get up early.
be quiet.He / She has to
DONT HAVE TO: NO OBLIGATION
I / You / We / They dont have to wear a suit.
get up early.
be quiet.He / She doesnt have to
have to
has to
dont have to
doesnt have to