[Alex80]

Hi everyone!

When an action happened in the middle of another one in the same time, esp. with the use of(as/while, when/and), I noticed that the shorter action(the past simple) doesn't come in the negative. Whereas, the longer action(the past continuous) can.

e.g. I wasn't looking where I was going when/and I bumped into a man.

My question is: can the past simple come in the negative with (when/and ) or wothout them when there is past simple+as/while+ past cont.

I mean, can I make a sentence like this:

I was doing sth and/when sb/sth didn't do sth.

or: While I was doing sth, sb/sth didn't do sth.

​Thanks in advance.