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💡 Grammar Rule

Forming Simple Questions with the Auxiliary do

In English, we use the auxiliary do/does to form most simple questions in the present tense. This auxiliary helps move the question to the beginning of the sentence.

1. Structure

Do/Does + subject + base verb + ... ?

  • Do you like coffee? (Do you enjoy coffee?)
  • Does she play tennis? (Does she play tennis?)

Use do with I, you, we, they. Use does with he, she, it. The main verb always stays in its base form (no -s, no endings).

2. Short Answers

  • Do you drive? — Yes, I do / No, I don't.
  • Does he work here? — Yes, he does / No, he doesn't.

3. Verbs That Do Not Use the Auxiliary do

Some verbs form questions without do. These include:

  • Be (am, is, are)
  • Modal verbs (can, should, must, etc.)
  • The progressive form (am/is/are + -ing)

Examples:

  • Are you ready? (Are you prepared?)
  • Is he your brother? (Is he your brother?)
  • Can you swim? (Are you able to swim?)
  • Are they working? (Are they working right now?)

In these cases, the main verb already has a “helper” verb (be or a modal), so you do not add do.

Do you go to work today?
Yes, I go by bus.
Are you tired?
A little, I need to rest.
Do you like this coffee?
Yes, it’s very good.
Do you live near here?
Yes, two blocks away.
Are you free tomorrow?
I think so.
Do you eat here often?
Yes, almost every day.
Are you coming with me?
Sure, let’s go.
Do you speak English?
Yes, a little.
Do you have time now?
Just a few minutes.
Is the boss busy?
Yes, it seems so.
Do you work here?
Yes, in the upstairs office.
Do you want water?
Yes, thanks.
Do the children go to the gym today?
No, they rest today.
Do you like music?
Yes, a lot.
Are you ready to go out?
Yes, I’m ready now.
Do you read a lot?
Yes, I love to read.
Does Katie usually go to this supermarket?
Only when she needs something quickly.
Are you okay?
Yes, I’m okay, thanks.
Are you eating with us?
Yes, I love the idea.
Is he listening to music now?
Yeah, that's why he can't hear you.
Do you study English every day?
Yes, just a few minutes.
Are you coming to the party?
Yes, I am going later.
Can you help me with this?
Sure, what do you need?
Are you going to cook tonight?
No, I am going to order food.
Could you finish your homework?
I don't feel like it, but okay.

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