Passer de for à sinceReformulation

Dans chacune des phrases suivantes, remplacer for par since en conservant le même temps.

She hasn't slept for 2 days.

They haven't spoken to each other for years.

We haven't met for years.

I haven't eaten meat for 10 years.

She hasn't spent time in London for 2 years.

I haven't visited my grandparents for 2 months.

I haven't been to a party for 3 weeks.

He hasn't had a girlfriend for 1 year.

He hasn't practised piano for 1 month.

She hasn't been home for 2 months.