I was studing last night.
My parents were working last Saturday.
It was raining yesterday.
We were doing an exam at nine o'clock.
I was wating for you.
We were speaking english
There is nothing to eat this morning.
Настоящее
I am not able to
You (we, they) aren't able to
He (she, it) isn't able to
прошедшее
I (he, she, it) wasn't able to
You (we, they) weren't able to
будущее
I (we) shan't be able to
He (she, it, they, you) won't be able to
Я могу написать но думаю я наделаю ошибок те поставят два в общем пока!!!