- I was surprised at his failing so badly.
1a. I was surprised at him failing so badly.
- I am sorry to hear of your being ill.
2a. I am sorry to hear of you being ill.
- He was annoyed at his missing his bus.
3a. He was annoyed at missing his bus.
- He stopped me from going.
4a. He stopped me to go.
Please correct above and comment.
The sentence with ‘to go’ does not work.
Would you mind my/me adding something?
- Possessive forms (underlined) is formal; Objective forms (italisized) are conversational.
- The preposition from can be omitted (especially in informal cases) in the sentence below:
He stopped me (from) going.