I can't find my car keys. I __________ (leave) them in my other bag, or perhaps I just forgot to take them from Jim.
might have left
Jack: Where's Mum?
John: I don't know, but her car's not here, so she __________ (go) out. I don't really know where she went though. She __________ (go) shopping.
must have gone - might have gone
The female excavator was rather pale when she got out of the cave. She __________ (got) scared by something she saw in there.
must have got(ten)
They took her to the hospital immediately. The spider __________ (be) poisonous.
must have been
Jane's ankle was swollen. She __________ (sprain) it. There's also a slim chance that she __________ (break) it.
may have sprained - might have broken
He refuses to go in the water. He __________ (see) a jellyfish.
might have seen
They cancelled their hiking plans. They__________ (read) about that bear who escaped from the central zoo.
could have read / might have read / must have read
I thought I heard something crawling under the sofa last night. I couldn't be sure at that time, but it __________ (be) an insect of some kind.
could have been / might have been
They got out of the car in a rush. Something __________ (go) wrong. They wouldn't have done so otherwise.
must have gone
Donna's baby sister cried all night. I don't really know what was wrong, but an insect __________ (bit) her.
might have bitten
Jonas thinks that bees are not beneficial to people. He __________ (read) the wrong information because bees are known to be very beneficial to the entire world.
must have read
There was a horrid smell coming from the thrash bin. They __________ (forget) to collect it.
must have forgotten
I don't know why she decided to have a change of career, but I have a strong feeling that she __________ (decide) she'd make more money as a vet.
may have decided
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