Gayushik1
1) general- Do you often help your old grandpa? 2) special- Who often help your old grandpa? Whose old grandpa do you often help? Whom do you often help? 3) alternative- Do you often help your or his old grandpa? 4) disjunctive- You often help your old grandpa, don't you?
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2) special- Who often help your old grandpa? Whose old grandpa do you often help? Whom do you often help?
3) alternative- Do you often help your or his old grandpa?
4) disjunctive- You often help your old grandpa, don't you?