Видовременная форма и залог глагола сказуемого

Помогите пожалуйста указать видовремменую форму и залог глагола
1.When much had been done in the study of ecology by our institute it became an important scientific centre.
2. Buses were introduced first in Paris in1820.
3. Mathematics is loved by many, disliked by a few, admired and respected by all.
4. Rome was not built in a day.

Добрый день, помогите пожалуйста определить видо-временную форму и залог глагола сказуемого:
1. When much had been done in the study of ecology by our institute it
became an important scientific centre .
2. Buses were introduced first in Paris in 1820.
3. Mathematics is loved by many, disliked by a few, admired and respected by all.
4. Rome was not built in a day .

помогите плиз
I. Перепишите следующие предложения, определите в каждом из
них видо-врсменную форму и залог глагола-сказуемого. Переведите
предложения на русский язык.
1. When much had been done in the study of ecology by our university it
became аn important scientific centre.
2. A curriculum of the new type of secondary school is offered by the Ministry
of Education.
3. The research of planets will be developed with the help of cosmic apparatus.
4. This material is unaffected by solar radiation.