Задание1: could
Задание4:
1)shouldn't
2)must
3)should
4)needn't
5)had to
6)should
7)shouldn't
8)must
9)mustn't
10)had to
My best day of the year was then I rided a bike. We had a great time during this day.
Ну пример: I'm sitting here.
Вот: to be + ...ing - и есть герундий, так скажем. Нам так объясняли
<span>He is an elephant.
His name is Thomas.
He isn't angry.
He is kind.
He can read and write.
He can't fly.
We go to school together.</span>