Sagot :
Answer:
- b. must
- a. must
- c. have
- b. must
- a. must
Explanation:
What are Modals?
- These are verbs that suggest different conditions such as possibility, obligation, ability, permission and so on.
What are some examples of common modals and its uses?
Can - used to express ability or permission.
May - used to express possibility and permission,
Must - used to express strong belief and obligation.
Should- used to express advice.
Would - used to express offer or request and in sentences that uses if.