Which of these would you consider to be well-formed sentences?
- If he would come, I’d ask him.
- If he’s come, I’ll ask him.
- If he’ll come, I’ll ask him.
- If he’s going to come, I’d ask him.
- If he could come, I’d ask him.
- If he can come, I’ll ask him.
- If he might come, I’d ask him.
- If he comes, I’m going to ask him.
- If we hadn’t been going to ask him, he wouldn’t have been invited.
- If he hadn’t been invited by us, he wasn’t going to get an invitation at all.