Para passar frases para o passado usando o verbo to be, usa-se was e were.
Was = primeira e terceira pessoa do singular.
Were = segunda pessoa do plural e singular.
conjugação:
I was
you were
he was
she was
it was
you were
we were
they were
então: Albert Einstein was born in Germany, in March, 1876. When he was young, he was a good student. He did not like to attend classes and take exams. His parents and teachers were concerned that he was too slow and unable to learn. Later, he became a great scientist. His best-known work, the theory of relativity was published in 1905. Unfortunately, his theory was used to create the atomic bomb.
---------------------------------------------------------------------------------------------------------
Para usar there was e there were é só lembrar que a primeira opção indica o singular, já a segunda, plural.
então:
a) There were thirty students in the classroom yesterday.
b) Was there a park in this neighborhood some years ago?
c) Were there many Indian tribes in Brazil?
d) There was a terrible accident on this avenue yesterday.
e) There weren't any money in my wallet, unfortunately,
f) There wasn't any cookies in the jar on the table.
g) There were several people protesting in front of the hospital.
