Проверьте пожалуйста, правильно ли поставлены вопросы к предложению

Проверьте пожалуйста, правильно ли поставлены вопросы к предложению? Нужно поставить 4 чипа вопросов.

Упрвжнение:

Carbohydrates are divided into two groups—simple carbohydrates and complex carbohydrates.
Мое решение;
1. How divided carbohydrates? Special Question или
For how many groups divided carbonates?
2. Does Carbohydrates are divided into two groups? General Question
3. Carbohydrates are divided into two groups, doesn’t it? Tag-questions
4.Does Carbohydrates are divided into two or three groups?Alternative Question

1-How are carbohydrates divided ? How many groups are carbohydrates divided into ?( в первом связку потеряли , во втором опять-таки связка и формулировка не та)
2-Are carbohydrates divided into two groups ?( здесь у Вас пассивный залог , does тут ни при чем, to be+ participle 2 должно быть )
3-............,aren't they?(Вы же верно написали в утверждении ARE divided , следовательно в хвостике будет ни именно отрицание aren't they , но никак не doesn't еще и it ))
4-Are carbohydrates divided into two or three groups ?( и снова does ни при чем )

Огромное спасибо за помощь! Мое решение с учетом ваших замечаний:

Упрaжнение:

Carbohydrates are divided into two groups—simple carbohydrates and complex carbohydrates.
1-
What groups carbohydrates are divided into ?

2-
What two groups carbohydrates are divided into ?

3-
Carbohydrates are divided into two groups, aren't they?
4-
Carbohydrates are divided into two or three groups ?

Все-таки есть снова ошибки .
1- так как это вопрос , то are должно стоять перед carbohydrates . То же замечание во 2 и 4 вопросах . Рада помочь !

1.During the 199's, scientists have developed better varicties of plants and livestock.
2.Animal husbandry, which has been proctised for thousands of years, seeks to improve the quality of livestock.
3.Each year hundreds of new kinds of animals are discovered.
4.Food crops can be divided into eight groups.

Задание:Put up 4 questions of different types ( general, special, alternative, disjunctive )
to each sentence:

1.Bank makes loans to corporations, to organizations, to individuals and to small companies.
2.This bank is asking ten percent interest.
3.Their company took a long-term loan from the Federal Bank.

помогите пожалуйста найти глагол-сказуемое и определите его видо — временную форму и залог. буду очень благодарна!!
1. The train to London leaves at eight, doesn’t it?
2. The plane will have taken off when we get to the airport.
3. The importance of this scientific research is growing from year to year.
4. They had agreed upon the plan before I arrived, so I couldn’t interfere.
5. Were you recommended any good hotels?

Задание:Put up 4 questions of different types ( general, special, alternative, disjunctive )
to each sentence:

1.Bank makes loans to corporations, to organizations, to individuals and to small companies.
2.This bank is asking ten percent interest.
3.Their company took a long-term loan from the Federal Bank.