MODAL VERBS
MODAL VERBS THAT EXPRESSES POSSIBILITIES
CAN-COULD-MAY-MIGHT
I ________ talk to my boss if I don't want ot be fired.
HAD BETTER
Expression for THREAT or WARNING with consequence
HAD BETTER
Modal verb for expressing obligations
MUST
My dog has a broken leg. He ______ run for a long time.
IS NOT ABLE TO
CAN'T
Phrasal modal that expresses ABILITY
BE ABLE TO
MODALS THAT DON'T HAVE CONTRACTION IN NEGATIVE
MAY-MIGHT
The students ______ participate in the class just if they want.
have to/have got to
MODALS for expressing permisssion
BE ALLOWED-BE PERMITTED TO
Mentions 3 Modals for expressing formality
WOULD-MAY-MIGHT-COULD
The student had a problem with the teacher. He ______ get in.
IS NOT ALLOWED TO
IS NOT PERMITTED TO
Expression that can't be used in negative or questions
OUGHT TO
Mention the structure in an expression with MODAL VERBS
Subject + MODAL + verb + complem
I'm confused with the topic. Do you think _______ I ask the teacher again?
SHOULD
Auxiliary that marks the difference between HAVE TO & HAVE GOT TO
HAVE TO: DON'T-DOESN'T
HAVE GOT TO: HAVEN'T GOT TO