verb forms after adjectives

[Trex]

1. I am happy to be here.

2. I am happy being here.

Is 2 correct? If yes, what is the difference between 1 and 2?

The physicist I work with was bitterly disappointed ----- that his experiments had not produced the desired results.

A) to learn

B) to be learning

C) to have learned

D) learning

E) having learned

F) on learning

Which ones are correct?

[Mister Micawber]

.
#1 and #2 -- no real difference here. #1 is happy at the event; #2 is happy in the experience.

#3-- I only like A and F.
.

[Trex]

thank you.

[MikeNewYork]

1. I am happy to be here.

2. I am happy being here.

Is 2 correct? If yes, what is the difference between 1 and 2?

The physicist I work with was bitterly disappointed ----- that his experiments had not produced the desired results.

A) to learn

B) to be learning

C) to have learned

D) learning

E) having learned

F) on learning

Which ones are correct?

I agree with Mr. M, but I would accept E if you precede it with a comma.

[Trex]

thank you

[MikeNewYork]

thank you

You're welcome.