1. We asked 100 students "What kind of exercise do you do?"

Question

2. We asked 100 students "What kind of exercise do you take?"

3. We asked 100 students "What kinds of exercises do you do?"

4. We asked 100 students "What kinds of exercises do you take?"

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Which ones are grammatical? Would you pay atention to 'kind' and the verbs 'do' and 'take'? Thank you.

Answer 1

All are grammatically correct.

Sentences 1 and 3 are most commonly used.