ПОМОГИТЕ ПЕРЕВЕСТИ ХОТЬ СКОЛЬКО-НИБУДЬ

Заполнить пропуски модальными глаголами в нужной форме.
A) can или may.
1. I ... not do this work. It is too difficult for me.
2. ... I come in?
3. We ... understand him well. His English is perfect.
4. I ... swim very well when I was a boy.
5. They … be late for the train, if they don’t hurry.
B) must/need.
1. You ... rely on this result. They are very accurate.
2. She ... an hour to write a composition.
3. You ... consult a doctor. Your illness is very dangerous.
4. Our company ... highly qualified specialists.
5. This book ... be published by all means. It is very interesting.

(3) the most famous place in Paris. I never (4) … to France so if I (5) … to visit Paris I definitely (6) … to climb on the top of it. 1. 1) is visit; 2) visits; 3) is visited; 4) had been visited. 2. 1) was built; 2) was build; 3) had been built; 4) has been built. 3. 1) became; 2) has become; 3) have become; 4) becomes. 4. 1) has never been; 2) have been never;3) have never been;4) was. 5. 1) happens; 2) am happened; 3) am happening; 4) happen. 6. 1) will try; 2) try; 3) have tried; 4) have been trying.

3. Помогите перевести предложения, содержащие герундий и герундиальные обороты.