Past Simple. Usage

Adverbs
A few hours ago- несколько часов назад
Last year – в прошлом году
Last week- на прошлой неделе
Yesterday - вчера

Forming
V2
ed для п\г
II колонка таблицы н\г
+
He helped me yesterday.
I saw him last week.
They worked there before
She broke the vase.

?
Did
Did they work_ there?
Did she see anything ?
Did he help_ you yesterday ?
Did she break the vase ?
They worked there before
I saw it last week.
He helped me yesterday
.She broke the vase

-
Did + not =didn’t
You didn’t help_ us
She didn’t break anything
I didn’t see anybody
They didn’t work yesterday