Я не вижу его с тех пор,как я оконч

Я не вижу его с тех пор,как я окончил институт.Как долго она болеет? -Она больна уже две недели.

Результаты (английский) 1:

I do not see him ever since I graduated from college.
How long she is sick? She's sick for two weeks.

Результаты (английский) 2:

I haven't seen him since I graduated from college.
How long has she been sick? She's been sick for two weeks.

Результаты (английский) 3:

I didn't see him since I graduated.
How long has she been ill? She has been ill for two weeks.