1 Read these sentences and circle the correct alternative to complete the rule.
I didn't know this before.
They didn't have time to sit down and rest.
I didn't learn new things.
To make the past simple negative, we use
(a) don't/didn't and the infinitive (b) with/
without to.
a) didn't( образуется с данного вс глагола)
b) without( инфинитив мы используем без частицы to)