This chapter discusses the forms and uses of modal auxiliary verbs in English including expressing ability, possibility, permission, advice, necessity, lack of necessity, prohibition, logical conclusions, instructions, suggestions, and preferences. It covers common modal auxiliaries such as can, could, may, might, shall, should, ought to, have to, must, and need to.

1. Chapter 7
Modal Auxiliaries

2. 1. The Formof Modal Auxiliaries

3. 2. ExpressingAbility : Can and Could

4. 3. ExpressingPossibility: May and Might
ExpressingPermission: May and Can

5. 4. UsingCould to ExpressPossibility

6. 5. Polite Question: May I, Could I, Can I

7. 6. Polite Question: Would You, Could You, Will
You, Can you

8. 7. ExpressingAdvice: Should and Ought to

9. 8. ExpressingAdvice: Had Better

10. 9.ExpressingNecessity:Haveto,HaveGot to,Must

11. 10.ExpressingLackofNecessity:Do notHaveto
ExpressingProhibition:MustNot

12. 11. MakingLogicalConclusions: Must

13. 12. GivingInstructions: ImperativeSentences

14. 13. MakingSugesstions: Let’s and Why don’t

15. 14, Stating Preferences: Prefer, Like… Better,
Would Rather

16. END