Participle of be
been
Participle of want
wanted
I saw the sgt.'s car. He must/ mustn't have arrived early.
must
He slept late. He couldn't/must have watched TV series.
must
Participle of wear
worn
Spell the participle of forget
forgotten
Spell the participle of study
studied
She was crying. She might have/ might has fallen.
might have
I heard a noise. It must/may have been a ghost.
may
Participle of sell
sold
Past simple and participle of give
gave, given
Spell the participle of stay
stayed
She wasn't at work earlier. She __________ (might/oversleep).
She might have overslept.
There was an accident yesterday, but it wasn't on the news. It __________ serious. (must not/be)
It must not have been serious.
Spell the participle of hide
hidden
Spell the participle of fall
fallen
Spell the participle of drop by
dropped by
Our team lost the game. We _____ _____ _____ more time. (could/couldn't--practice)
We could have practiced more time.
Perhaps the students didn't failed the exam. The students must have/ might have passed.
might have
Spell the participle of light
lit
Spell the participle of fight
fought
The correct pronuciation of observED. /t/ or /Id/
/t/
Mario couldn't walk yet. He _____ _____ _____ the marathon. (could/ couldn't-- take part in)
He couldn't have taken part in the marathon.
I'm certain I didn't fail the test. I couldn't have/might have failed.
couldn't have
Spell the past participle of bleed
bled