Choose the modal verb that best completes the sentence.
Lisa, you ________ have forgotten to put away your shoes because I tripped over them.
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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