Do and Does are two of the most important words that we regularly use in conversations. The main reason is, no matter what verb we may use in our sentences, 'do' and 'does' are often used along with the verb as auxiliary verbs. In other words, 'do' and 'does' are words that support the main verb in your sentences. One has to understand the difference between 'do' and 'does' to get clarity on when to use 'does' in questions.
Let us first see the following examples.
1) James knows the answer to this question.
2) Emma brushes her teeth three times a day.
3) Dravid goes to school by helicopter everyday.
4) He has a crush on Sarah.
When to use does in questions?
When the above four examples are converted into questions, you will have to use Does. Take a look at the following questions.
a) Does James know the answer to this question?
b) Does Emma brush her teeth three times a day?
c) Does Dravid really go to school by helicopter everyday?
d) Does he have a crush on Sarah?
If you carefully see all the above questions that start with Does, you will notice that all the questions talk about only one person (i.e. singular). James, Emma, Dravid and He. This means, Does has to be used in questions for singular person or object. To understand this easily, you should also ask questions that start with Do.
Example questions using Do:
1) Do you know the answer to this question?
2) Do they really go to school by helicopter?
3) Do you now know when to use 'does' in questions?
From the above three questions, you can clearly understand that, whenever you are asking questions to the second person (You) or about third person (plural), you need to use Do instead of Does. Let us now frame few more questions using both 'do' and 'does' alternately. This will be a great way to know when to use does in questions and also to understand the difference between do and does.
2) Do they really go to school by helicopter?
3) Do you now know when to use 'does' in questions?
From the above three questions, you can clearly understand that, whenever you are asking questions to the second person (You) or about third person (plural), you need to use Do instead of Does. Let us now frame few more questions using both 'do' and 'does' alternately. This will be a great way to know when to use does in questions and also to understand the difference between do and does.
Questions using Do and Does:
1) Do you know the answer?
2) Does she know the answer?
3) Does this flight go to America?
4) Do these flights go to America?
5) Does he always fight with the teacher?
6) Do they always fight with the teacher?
There are many more differences between do and does. If you have any more queries, feel free to ask them in the comment box below.
Very useful
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