Sentence Correction. Mr. Ali teaches very well, isn't?
- Didn't he
- Doesn't he
- Wasn't he
- If not he
Explanation
- The main verb “teaches” is in the simple present tense.
- A positive statement takes a negative question tag.
- With “teaches,” the correct auxiliary is “does,” so the tag is “doesn't he?”
Last verified on 30-10-2026