My little brother .... naughty yesterday but today he .... not.
was/ is
My friends.... at school this week but last week they ... not.
are / were
At the moment my grandma ... at home.
is
There ... not any birds in the sky now but two hours ago there ... a lot.
are / were
Today I .... happy but yesterday I .... sad.
am / was
Last night we .... in the cinema.
were
There .... a cake in the fridge yesterday.
was
Yesterday Mary was in the library but today ...
is
It....cloudy today but yesterday it ...sunny.
is / was
Three days ago my parents .... at the beach.
were