Do and does come from the verb To Do.
There are two ways to use the verb To Do: as a normal verb or as an auxiliary verb.
| We use do for |
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| So |
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| We use Does for the third person singular |
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| So |
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In the case of My mother, be careful. The word my can be confusing, but my mother is still the third person singular and so you must put does.
| Examples: |
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The verb To Do is also used as an auxiliary verb.
| Examples: |
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The answer is that is has no direct meaning. However, it is indispensable for the formation of the question and the negative answer in the present simple and the past simple.
| Do they work? | Yes, they do |
| Does he like coffee? | Yes, he does |
| Do you work? | Yes, I do |
| Does she go to the cinema every week? | Yes, she does |
| 1. | Do Does |
| 2. | Make Do |
| 3. | Question Tags |
| 4. | Some Any |
| 5. | To Be |
| 6. | Past Simple |
| 7. | Prefixes |
| 8. | Present Perfect |
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