(1) I have been ill since two weeks.
(2) I have seen him just a few years ago.
(3) I have seen him just now.
(神戸大)
(芝浦工大)
(宇都宮大)
(4) Two years passed since he has died.
(5) I don't know if it will rain tomorrow, but if it will rain,
(群馬大)
(大阪学院大)
(徳山大)
(桜美林大)
I will stay at home.
(6) If I had had time, I would go with you.
(7) She talks as if she knows nothing about it.