We would love TO BE ABLE TO stay longer in Bangkok, but it just wasn’t possible.
to have been able to
I expect TO HAVE FINISHED the report by Friday afternoon
correct
We quite enjoyed the holiday, but to be honest, we would rather HAVE STAYED at home.
correct
What’s that noise? Someone seems TO TRY to open the door.
to be trying
Your remarks really offended me. I will not put up with SPEAKING TO to like that.
being spoken to
Julia doesn’t have much experience, so it’s difficult for her UNDERSTANDING your point of view.
to understand
There’s no point TO INVITE George because he never goes to parties.
inviting
It’s no use SITTING around talking about it. We need actions, not words.
correct
I wasn’t aware of HAVING BEEN INTRODUCED to her before.
correct