English grammar rule Did baseform
Do, does, or did can be used as helping verbs in some sentences. They’re also able to add emphasis to a main verb, ask a question, or form a negative (used with not). If the main verb is combined with do, does or did, they always use the base form.
Examples of 'Did baseform' rule
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Expressing negatives:
Incorrect They do not makes enough products. Correct They do not make enough products. Incorrect Jim did not made the show. Correct Jim did not made the show. -
Asking questions:
Incorrect Does Jimmy enjoys dancing? Correct Does Jimmy enjoy dancing? Incorrect Did you turned out the lights? Correct Did you turn out the lights? -
Adding emphasis:
Incorrect I do thinks you are lying. Correct I do think you are lying. Incorrect The boy did ate my sandwich! Correct The boy did eat my sandwich!
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