Написать предложение в этих формах : Present simple, Future simple, present continuous,...

Question

Написать предложение в этих формах : Present simple, Future simple, present continuous, past continuous, future continuous, present perfect, past perfect, future perfect . Вот предложение: There was a mistake in his test .

Answer 1

There is a mistake in his test. Present Simple
There will be a mistake in his test.Future Simple
There has been  a mistake in his test.Present Perfect
There had been a mistake in his test.Past Perfect
There will have been a mistake in his test. Future Perfect


Невозможно преобразовать данное предложение в present continuous, past continuous, future continuous