7-3/ I have done~/ I did~ (1)

3  I have done~/ I did~ 現在完了か単純過去か　（1）

UK（英国）とUS（米国）で少々違います。

UK & US    現在完了形

① I’ve lost my keys. Have you seen them?

② Meg isn’t here. She’s gone out.

③ I’m not hungry. I’ve just had lunch.

④ Have you finished your work yet?

⑤ A: What time is Mark leaving?
B: He has already left.

USのみ　　　単純過去形

① I lost my keys. Did you see them? (m)

② Sally isn’t here. She went out. (m)

③ I’m not hungry. I just had lunch. (m)

④ Did you finish your work yet? (m)

⑤ A: What time is Mark leaving?
B: He already left. (m)