The present perfect continuous tense
D PEG 190-1
Put the verbs in brackets into the present perfect continuous tense.
Present and past tenses
24 That pipe (leak) for ages. We must get it mended.
25 Tom (dig) in the garden all afternoon and I (help) him.
26 I (ask) you to mend that window for six weeks. When are you going
to do it?
27 Someone (use) my bicycle. The chain's fallen off.
28 How long you (drive)? -
I (drive) for ten years.
29 The trial (go) on for a long time. I wonder what the verdict will be.
30 It (snow) for three days now. The roads will be blocked if it doesn't
stop soon.​