I can underwithhold you can underwithhold he can underwithhold we can underwithhold you can underwithhold they can underwithhold
V-ing form
I can be underwithholding you can be underwithholding he can be underwithholding we can be underwithholding you can be underwithholding they can be underwithholding
Perfect
I can have underwithholded you can have underwithholded he can have underwithholded we can have underwithholded you can have underwithholded they can have underwithholded
V-ing perfect
I can have been underwithholding you can have been underwithholding he can have been underwithholding we can have been underwithholding you can have been underwithholding they can have been underwithholding
Negation
Simple form
I cannot underwithhold you cannot underwithhold he cannot underwithhold we cannot underwithhold you cannot underwithhold they cannot underwithhold
V-ing form
I cannot be underwithholding you cannot be underwithholding he cannot be underwithholding we cannot be underwithholding you cannot be underwithholding they cannot be underwithholding
Perfect
I cannot have underwithholded you cannot have underwithholded he cannot have underwithholded we cannot have underwithholded you cannot have underwithholded they cannot have underwithholded
V-ing perfect
I cannot have been underwithholding you cannot have been underwithholding he cannot have been underwithholding we cannot have been underwithholding you cannot have been underwithholding they cannot have been underwithholding
Interrogative form
Simple form
can I underwithhold? can you underwithhold? can he underwithhold? can we underwithhold? can you underwithhold? can they underwithhold?
V-ing form
can I be underwithholding? can you be underwithholding? can he be underwithholding? can we be underwithholding? can you be underwithholding? can they be underwithholding?
Perfect
can I have underwithholded? can you have underwithholded? can he have underwithholded? can we have underwithholded? can you have underwithholded? can they have underwithholded?
V-ing perfect
can I have been underwithholding? can you have been underwithholding? can he have been underwithholding? can we have been underwithholding? can you have been underwithholding? can they have been underwithholding?
Interro-negative form
Simple form
can I not underwithhold? can you not underwithhold? can he not underwithhold? can we not underwithhold? can you not underwithhold? can they not underwithhold?
V-ing form
can I not be underwithholding? can you not be underwithholding? can he not be underwithholding? can we not be underwithholding? can you not be underwithholding? can they not be underwithholding?
Perfect
can I not have underwithholded? can you not have underwithholded? can he not have underwithholded? can we not have underwithholded? can you not have underwithholded? can they not have underwithholded?
V-ing perfect
can I not have been underwithholding? can you not have been underwithholding? can he not have been underwithholding? can we not have been underwithholding? can you not have been underwithholding? can they not have been underwithholding?