Английский язык! Грамматика! Хелп плз!

я что-то в нумерации запуталась, ну да ладно, поймешь, наверное

1. a) Mike always does his homework in the evening, but today he began doing it as soon as he comes from school, because his father promised to take him to the theatre.
This little boy had never seen a crocodile.
2. 1) The girl washing the floor is my sister.
2) The exercises done by the pupils were easy.
3. 1) The trucks were loaded by three o'clock by the workers.
2) Our daughters has been sent to rest in the south every year. (не уверена)
3) This film will be shown on TV by them.
4) A new concert hall has been building in our street by them. (тоже не уверена что правильно)

В вопросах Ирины есть 1 ошибка: This little boy has never seen a crocodile, has he? Потому что основное предложение отрицательно.
Остальное верно.

1. Mike always does his homework in the evening, but today he WILL begin doing it as soon as he comes from school, because his father promised to take him to the theatre.
2. This little boy HAS never seen a crocodile.
Дальше согласна с Ириной.

1. Mike always does his homework in the evening, but today he is going to begin doing it as soon as he comes from school, because his father promised to take him to the theatre.
2. This little boy has never seen a crocodile.
б) Задайте к одному любому предложению четыре типа вопросов
Has this little boy ever seen a crocodile?
Why has this little boy never seen a crocodile?
This little boy has never seen a crocodile, hasn't he?
Has this little boy never seen a crocodile or a monkey?
2. Образуйте от глагола в скобках Participle I или Participle II и употребите в предложении требующуюся форму причастия.
1. The girl washing the floor is my sister.
2. The exercises done by the pupils were easy.
3. Передайте следующие предложения в Passive Voice.
1. The trucks had been loaded by the workers by three o'clock.
2. Our daughter is sent to rest in the south every year.
3. This film will be shown on TV.
4. A new concert hall is being built by them in our street.