Again, you make a question with the past tense of to do (did).
And a negative sentence with didn't + the infinitive.
|
Question |
Negative |
I bought. |
Did I buy? |
I didn't buy. |
You drank. |
Did you drink? |
You didn't drink. |
He felt. |
Did he feel? |
He didn't feel. |
We gave. |
Did we give? |
We didn't give. |
You said. |
Did you say? |
You didn't say. |
They taught. |
Did they teach? |
They didn't teach. |