English verb conjugation
SHOULD CAB

Regular verb: cab - cabed - cabed

Affirmation

Simple form	V-ing form
I'd cab you'd cab she'd cab we'd cab you'd cab they'd cab	I'd be cabing you'd be cabing she'd be cabing we'd be cabing you'd be cabing they'd be cabing
Perfect	V-ing perfect
I should've cabed you should've cabed she should've cabed we should've cabed you should've cabed they should've cabed	I should've been cabing you should've been cabing she should've been cabing we should've been cabing you should've been cabing they should've been cabing

Negation

Simple form	V-ing form
I shouldn't cab you shouldn't cab she shouldn't cab we shouldn't cab you shouldn't cab they shouldn't cab	I shouldn't be cabing you shouldn't be cabing she shouldn't be cabing we shouldn't be cabing you shouldn't be cabing they shouldn't be cabing
Perfect	V-ing perfect
I shouldn't have cabed you shouldn't have cabed she shouldn't have cabed we shouldn't have cabed you shouldn't have cabed they shouldn't have cabed	I shouldn't have been cabing you shouldn't have been cabing she shouldn't have been cabing we shouldn't have been cabing you shouldn't have been cabing they shouldn't have been cabing

Interrogative form

Simple form	V-ing form
should I cab? should you cab? should she cab? should we cab? should you cab? should they cab?	should I be cabing? should you be cabing? should she be cabing? should we be cabing? should you be cabing? should they be cabing?
Perfect	V-ing perfect
should I have cabed? should you have cabed? should she have cabed? should we have cabed? should you have cabed? should they have cabed?	should I have been cabing? should you have been cabing? should she have been cabing? should we have been cabing? should you have been cabing? should they have been cabing?

Interro-negative form

Simple form	V-ing form
shouldn't I cab? shouldn't you cab? shouldn't she cab? shouldn't we cab? shouldn't you cab? shouldn't they cab?	shouldn't I be cabing? shouldn't you be cabing? shouldn't she be cabing? shouldn't we be cabing? shouldn't you be cabing? shouldn't they be cabing?
Perfect	V-ing perfect
shouldn't I have cabed? shouldn't you have cabed? shouldn't she have cabed? shouldn't we have cabed? shouldn't you have cabed? shouldn't they have cabed?	shouldn't I have been cabing? shouldn't you have been cabing? shouldn't she have been cabing? shouldn't we have been cabing? shouldn't you have been cabing? shouldn't they have been cabing?