I ... at school yesterday.
was/wasn't
.... Pablo Picasso a painter?
Was
Beethoven .... a composer.
was
Marie Skłodowska Curie ... a scientist.
was
They ... at the reastaurant 2 days ago
were/weren't
Nicolas Copernicus .... a poet.
wasn't
Albert Einstein ... an explorer.
wasn't
Yesterday we .... bored, but today we are bored.
weren't
You ... five in this photo.
were
... she at your birthday party?
Was
.... they in Italy last summer?
Were
We .... at the cinema last night.
were/weren't
Yesterday I ... at school, but today I'm ill.
was
We ... happy beacuse it rained all day
weren't