Student or Learner
Would you be kind enough to tell me your opinion concerning the wording of the following sentences?
1.1. I advise you to stay here for the night.
1.2. You had better stay here for the night.
2.1. Wouldn’t it be a good thing for us to see the doctor at once?
2.2. Hadn’t we better see the doctor at once?
3.1. You should not go out in that weather.
3.2. You had better not go out in that weather.
4.1. What do you think we should do?
4.2. What had we better do?
Thank you for your efforts.