For, Since & Ago

She has been working six o' clock this morning.

He hasn't met his colleagues a long time.

We have been waiting for the results three weeks now.

They relocated to Frankfurt almost 10 years .

John has worked here 12 months.

I haven't eaten anything breakfast.

They phoned me five hours and I haven't heard from them again then.

We haven't received any files yet even though they sent them two days .

I started this new project, I haven't been able to take a break.

Jane hasn't been on holidays her trip to New York.