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.

You May Like

math-quizzes

Fractions

Grades 1 to 5

Fractions

start
language-arts-quizzes

Parts of Speech

Grade 2, 3, 4, 5

Parts of Speech

start
science-quizzes

MOTION

Grade 4, 5

MOTION

start
science-quizzes

Animals

Grade 3, 4, 5

Animals

start
language-arts-quizzes

NOUNS

Grades 1 to 5

NOUNS

start
math-quizzes

Decimals

Grade 4, 5

Decimals

start
geography-quizzes

World

Grades 1 to 5

World

start
math-quizzes

Number

Grade 1, 2

Number

start

Key Data

Questions
32
Grade
4
Theme
Verb
Passing score
80%

Progress

8 Incorrect
10 Correct
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Restart