20.2 ) are these sentences ok? correct the verbs that are wrong. (the verbs are underlined.)
1 i've lost my key. i can't find it.
ok
2 have you seen kate yesterday?
did you see
3 i've finished my work at 2 o'clock.
4 i'm ready now. i've finished my work.
5 what time have you finished your work?
6 sue isn't here. she's gone out.
7 steve's grandmother has died two years ago.
8 where have you been last night?