What are Modals?
We use modal verbs to show if we believe something is certain, probable or possible (or not). We also use modals to do things like talking about ability, asking permission making requests and offers, and so on.- Can
Request: Can you get that fork?
Suggestion: Can we finish the papers by tomorrow?
- Could
Ability to do something (past): I could speak Spanish during my 3rd year of high school.
Polite way of requesting: Could you pass me those papers?
Polite Offer: I could drive you to town if you like.
- May
Possibility: Bring your umbrella. It may rain today.
Polite Suggestion: May I help you?
Permission: May I go to the rest room?
- Must
Force: You must finish checking this tomorrow.
Possibility: You must be tired from running.
Recommendation: You must read this book by John Green.
- Might
Possibility (less possible than May): It might rain today.
- Ought
Obligation: You ought to perform in the school play.
- Shall
Suggestion: Shall I carry your bag?
- Will
Wish (less polite than Would): Will you shut the door?
Request: Will you pass that salt?
- Would
Wish: Would you be a dear and pass this salt to him?
References: https://learnenglish.britishcouncil.org/en/english-grammar/modal-verbs
https://www.englisch-hilfen.de/en/grammar/hilfsverben2.htm