Question

1, -- _____ you _____(clean) the room? -- Yes, we

1, -- _____ you _____(clean) the room?
-- Yes, we ______( clean ) that already.
-- When ____ you ____ ( do ) it?
-- We _____ ( do ) it an hour ago.
2, -- ______ he _____ ( see) this film yet?
-- Yes.
-- When _____ he _____ ( see ) it?
-- He _____ it last week.

Answer 1

如果是一般过去式，答案就是Did. ...clean..... did
如果是现在进行时，答案就是Are. ...cleaning. .....are
如果是过去进行时，答案就是Were. ...cleaning. ....were
如果是现在完成时，答案就是Have. ...cleaned. ......have
希望能帮到了你。。。

Answer 2

1, Have ; cleaned ; have cleaned; did; do; did
2, Have ; seen; did; see; saw