This makes sense. Then, can I learn it this way: if the main clause has the verbs meaning such as personal feelings, we can't ask tag questions based on the main clause. On the other hand, if the verbs in the main clause are action verbs, can

Thank you Sameer I am still confused. Shouldn't we ask tag questions based on the main clause rather than the objective clause?

Which is correct? 1. How long did you play the game? 2. How many hours do you sleep? Thanks for answering.

Which one is correction? A1. I think they have seen this movie, don't I? A2. I think they have seen this movie, haven't they? B1. He thinks we should come back soon, doesn't he? B2. He thinks we should come back soon, shouldn't we?