Sabtu, 12 Februari 2011

MODALS IN THE PAST FORM

When do we use modals?

  • To talk about someone's ability (or inability) to do something
    example: "We can find your house without the street plan."
    "She can't have a daughter that old!"
  • To talk about an action that is necessary (or impossible, or not necessary)
    example: "You must always have your driver's licence when you are driving your car."
    "You needn't carry your passport around with you."
  • To talk about a situation that is possible (or impossible)
    example: "Do be careful with that glass, the baby might knock it over"

A modal verb always has the same form:

There is no past form (-ed), no present participle (-ing) and no 3rd persons singular (-s).

Modal verbs come before the subject in questions:

example: "May I come to your house for tea?"

Negative forms:

Modal verbs haven't or not after them in the negative.
example: "mustn't" - "needn't".



PRESENT FORM

PAST FORM

can

Could

may

Might

will

Would

shall

Should

must

-

ought to

-

need

-

MORE ABOUT MODALS IN THE PAST FORM

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