Modals of Certainty

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What are modals of certainty?

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Modals of certainty are auxiliary verbs that express the degree of certainty or possibility about an action or situation. Examples include 'must', 'might', 'may', and 'can't'.

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When do we use 'might'?

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We use 'might' to express a possibility that is less certain. For example, 'They might be friends' suggests that there is a chance they are friends, but it's not definite.

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What does 'must' indicate in a sentence?

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'Must' indicates a strong certainty or obligation. For example, 'She must be at home' suggests that it is very likely she is at home.

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What does 'can't' imply?

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'Can't' implies a strong belief that something is not true or not possible. For example, 'They can't be angry' suggests that it is impossible for them to be angry.

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What is the difference between 'may' and 'might'?

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'May' suggests a higher possibility than 'might'. For example, 'She may come to the party' indicates a stronger likelihood than 'She might come to the party'.

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How do we use 'must not'?

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'Must not' is used to express a strong prohibition or certainty that something is not the case. For example, 'He must not be happy' suggests that it is very likely he is not happy.

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What does 'couldn't' express?

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'Couldn't' expresses a strong belief that something is not possible. For example, 'She couldn't have done that' suggests that it is impossible for her to have done that.

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How can we express uncertainty using modals?

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We can express uncertainty using modals like 'might', 'may', and 'could'. For example, 'They might go to the park' indicates uncertainty about their plans.

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What is an example of a sentence using 'must'?

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An example is 'He must be tired after the long journey', indicating a strong belief that he is tired.

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What is an example of a sentence using 'might'?

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An example is 'She might join us for dinner', indicating a possibility that she will join.