At the beginning, BMW built cars.
At the beginning, BMW didn't build cars.
I wrote two reports last week.
I didn't write two reports last week.
In his previous job, he managed a team of ten people.
In his previous job, he didn't manage a team of ten people.
Last year, I worked for an insurance company in Paris.
Last year, I didn't work for an insurance company in Paris.
She made clothes for small companies.
She didn't make clothes for small companies.
She got the job.
She didn't get job.
I checked my email last night.
I didn't check my email last night.
They sold twenty computers last week.
They didn't sell twenty computers last week.
Yesterday, she solved her bank account problems.
Yesterday, she didn't solve a problem for a bank.
They checked the software twice.
They didn't check the software twice.
We had a meeting yesterday.
We didn't have a meeting yesterday.
She worked for Google last year.
She didn't work for Google last year.
The workers in the factory liked their working conditions.
The workers in the factory didn't like their working conditions.