Affect vs. Effect Exercise
Do_Does_Don’t _Doesn’t…?​

Do_Does_Don’t _Doesn’t…?

Do and does are used when we want to ask yes/no questions.

We use do or does depending on the subject. Below are two sentences with two different subjects, she and you.

Does she like sport? Yes, she does.

Do you like sport? Yes, I do.


We use do when the subject is Iyouwe or they.

Do I know you?
Do you come from England?
Do we have to cut the grass?
Do they want to come with us?


We use does with third person singular pronouns i.e when the subject is heshe or it.

Does he work with you?
Does she have a car?
Does it snow in winter?

Past Tense

Did is the past form of both do and does.

Did he call you?
Did you enjoy it?


The negative form of do is do not. In spoken English it is common to use the contracted form of do not which is don’t.

do not like sport.
don’t like sport.

The negative form of does is does not. Also, in spoken English we usually use the contracted form of does not which is doesn’t.

He does not like sport.
He does’t like sport.

The negative form of did is did not or when speaking, didn’t.

did not know you were coming.
I didn’t know you were coming.

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Now decide which words are needed to complete the sentences


You are awesome

You have to Improve

#1. ___ you want some coffee?

#2. Where ___ they come from?

#3. No, she ___ like spicy food.

#4. What ___ Kumar and I have in common?

#5. ___ your father drive a red car?

#6. ___ Preethi have a boyfriend?

#7. They ___ work on Sunday.

#8. ___ we have school tomorrow?

#9. ___ your parents play football?

#10. ___ children play here?