Задание Поставить глагол-сказуемое 1-го предложения из текста во все временные формы

1). At least four years of English and American literature, three years of social studies, two of mathematics, one year of science have been included in the curriculum of a comprehensive high school. (Present Perfect).

2). Three years of English and American literature was included in previous the curriculum. (Past Simple).

3). Science will have been included in the curriculum by the end of the first half year. (Future Perfect).

Continuous forms:

Present:

Is being included;

have/has being included;

Past:

Was/were being included;

had being included;

Future:

will be being included;

will have been being included;