Unit 1.2
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Introduction
Form
To Do Affirmative
Subject + to do + …
Subject | To Do in Present Simple | To Do in Past Simple |
I | do | did |
You | do | |
He | does | |
She | does | |
It | does | |
We | do | |
You | do | |
They | do |
To Do Negative
Subject + to do + not + …
Subject | To Do in Present Simple + not | Short Form* | To Do in Present Simple + not | Short Form* |
I | do not | don’t | did not | didn’t |
You | do not | don’t | ||
He | does not | doesn’t | ||
She | does not | doesn’t | ||
It | does not | doesn’t | ||
We | do not | don’t | ||
You | do not | don’t | ||
They | do not | don’t |
*The short form is used in spoken language or in informal writing.
To Do Interrogative
To do + subject + …?
To Do in Present Simple | To Do in Past Simple | Subject | Question Mark |
Do | Did | I | …? |
Do | you | …? | |
Does | he | …? | |
Does | she | …? | |
Does | it | …? | |
Do | we | …? | |
Do | you | …? | |
Do | they | …? |
Example
Use
We use the verb to do as:
- An auxiliary verb: to form negatives and interrogative of other verbs, as well as for emphasis and negative imperatives;
- A main verb: in the meaning of to perform or to complete an action.
Summary
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