He rode a bicycle last month.
He didn’t ride a bicycle last month.
Did he ride a bicycle last month? Yes,he did. No,he didn’t.
I spoke with my friend yesterday.
I didn't speak with my sister last night.
Did you watch TV last week? Yes, I did. /No, I didn't.
He rode a bicycle last month.
He didn’t ride a bicycle last month.
Did he ride a bicycle last month? Yes,he did. No,he didn’t.
I spoke with my friend yesterday.
I didn't speak with my sister last night.
Did you watch TV last week? Yes, I did. /No, I didn't.