Choose the modal verb that best completes the sentence.

Lisa, you ________ have forgotten to put away your shoes because I tripped over them.
A. would
B. must
C. will
That's Correct!
It's Wrong!

In the given sentence, must is accompanied by “have,” and is used to form conjecture—an opinion about an action. The speaker is expressing a strong probability of a past action—of forgetting—or a conjecture about what happened.

Lisa, you must have forgotten to put away your shoes, because I tripped over them.

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Key Data

Questions
32
Grade
4
Theme
Verb
Passing score
80%

Progress

8 Incorrect
10 Correct
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