Question

1. They were so happy enough even to forget to eat their lunches.

(Is this sentence grammatical? Is the position of 'even' right?)

2. Where does she do volunteer work?
3. Where does she do the volunteer work?
4. Where does she do her volunteer work?

(Which ones are correct? What are the differences among them?)

Answer 1

1. is not grammatical. It should be:

The were so happy they forgot to eat their lunches.

Numbers 2, 3, and 4 are correct. There's not any real difference between them.

Answer 2

1. They were so happy that they forgot to eat their lunches.