When do we use "do" and when do we use "does"?
We use “do” and “does” in the present tense as helping verbs. “Do” is used with I, you, we, and they, while “does” is used with he, she, and it. We often use them to make questions and negative sentences.
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We use “do” and “does” in the present tense as helping verbs. “Do” is used with I, you, we, and they, while “does” is used with he, she, and it. We often use them to make questions and negative sentences. For example, we say, “Do you like tea?” and “Do they play football?” but we say, “Does he like tea?” and “Does she go to school?” In negative sentences, we use “do not” or “don’t” with I, you,