Perfect Modals Flashcards
1
Q
Should have V3/ ought to have V3
A
2
Q
Could have V3
A
2
Q
Could not have V3
A
2
Q
Can’t have V3
A
2
Q
Must have V3
-strong possibility
-a proviso for something
-negative use in American English
A
2
Q
Needn’t have
A
2
Q
Might have V3
A
2
Q
May have V3
A
2
Q
Would rather/would sooner/would just as soon have V3
A
2
Q
Might/may/should/must/could have been Ving
A
