Modal Verbs
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GrammarModal Verbs

Practice Modal Verbs Grammar Explanation

Modal Verbs are auxiliary verbs that express ability, possibility, permission, obligation, or advice. The main modal verbs include can, could, will, would, should, may, might, and must. Unlike regular verbs, modal verbs never change form - they do not add -s for third person singular and are always followed by the base form of the main verb without to.

Each modal verb has specific meanings and uses that can change depending on context. Understanding these nuances is essential for expressing yourself precisely in English. Modal verbs are extremely common in everyday speech for making requests, giving advice, expressing certainty or uncertainty, and discussing possibilities.

Modal Verbs and Their Uses

ModalPrimary UseExample
CanAbility, PermissionI can swim. Can I go now?
CouldPast ability, Polite requestsI could run fast. Could you help me?
WillFuture, WillingnessI will help you. It will rain tomorrow.
WouldPolite requests, HypotheticalsWould you like tea? I would go if I could.
ShouldAdvice, ExpectationYou should see a doctor. He should arrive soon.
MustObligation, Strong necessityYou must wear a seatbelt. I must go now.
May/MightPossibility, PermissionIt may rain. May I come in? She might come.

Key Grammar Rules

  • No -s for Third PersonHe can swim (not he cans). She must go (not she musts).
  • Base Form FollowsI can swim (not can to swim). You should go (not should to go).
  • Negatives with NotCannot, could not, will not, should not, must not.
Modal Verbs

Interactive practice and exercise for Modal Verbs grammar. Master can, could, should, must with this comprehensive exercise.

Modal Verbs

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