China .... a small country (-)
isn't- is not
The computer ...... broken (+)
is
My name ......Sevara (+)
is
He .... very hot (+)
is
You ...... a teacher (+)
are
Helen..... my friend (-)
is not - isn't
They .... from Russiya (-)
aren't-are not
You .... very tall (-)
are not - aren't
It ......cold today (+)
is
I...... a builder (+)
am
she...... very tired (+)
is
They....... twins (+)
are
Miss Taylor ..... our teacher (-)
is not - isn't
You .... in my class (+)
are
He .... a police officer (-)
is not - isn't