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Jugar Test
1. 
Which modal verb is used to speculate about a past action?
A.
Could have
B.
Can
C.
Will
D.
Shall
2. 
Which of these are used for a negative deduction about the past?
A.
mustn't
B.
haven't
C.
can't
D.
mightn't
3. 
Which modal verb is used to speculate about a past possibility?
A.
Should
B.
Must
C.
Might
D.
Have to
4. 
What is the past form of 'must'?
A.
Musten
B.
Must have
C.
Have to
D.
Musted
5. 
Which modal verb is used to speculate about a past certainty?
A.
Could have
B.
Might have
C.
Must have
D.
Should have
6. 
What is the past form of 'could'?
A.
Coulded
B.
Couding
C.
Coulden
D.
Could have
7. 
Which modal verb is used to speculate about a past ability?
A.
Could have
B.
Can
C.
May
D.
Might
8. 
What is the past form of 'should'?
A.
Shoulden
B.
Should have
C.
Shoulding
D.
Shoulded
9. 
Choose the correct option for a past possibility: He ________ robbed the bank. He was in the area and had a motive.
A.
Should have
B.
Could
C.
Might have
D.
Must have
10. 
Choose the correct option for an action in the past that you are positive about: It __________ been in January 1953 when grandpa met grandma in Paris.
A.
might have
B.
can't have
C.
must have
D.
couldn't have