The negative sentences of the present continuous are formed with am not / isn't / aren't + the -ing form of the verb.
SUBJECT |
TO BE |
GERUND |
OBJECTS |
I |
am not |
writing |
an e-mail |
He, She, It |
isn't / is not |
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Singular nouns |
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We |
aren't / are not |
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You |
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They |
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Plural nouns |
MIND MAP: Third person singular
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