Question

Задание Поставить глагол-сказуемое одного предложения из текста во все временные формы (Present, Past, Future) групп Continuous и Perfect в страдательном залоге
 Ideally, the curriculum of a comprehensive high school  would include at least four years of English and American literature, three years of social studies, two  of mathematics, one year of science, ect. 

Answer 1

Ideally, at least four years of English and American literature, three years of social studies, two of mathematics, one year of science, etc. ___ in the curriculum of a comprehensive high school.
Continuous:
1) Present: are being included 2) Past: were being included 3) Future –––
Perfect:
1) Present: have been included 2) Past: had been included 3) Future – will have been included