English verb conjugation
SHOULD TUB

Regular verb: tub - tubbed - tubbed

Affirmation

Simple form	V-ing form
I'd tub you'd tub she'd tub we'd tub you'd tub they'd tub	I'd be tubbing you'd be tubbing she'd be tubbing we'd be tubbing you'd be tubbing they'd be tubbing
Perfect	V-ing perfect
I should've tubbed you should've tubbed she should've tubbed we should've tubbed you should've tubbed they should've tubbed	I should've been tubbing you should've been tubbing she should've been tubbing we should've been tubbing you should've been tubbing they should've been tubbing

Negation

Simple form	V-ing form
I shouldn't tub you shouldn't tub she shouldn't tub we shouldn't tub you shouldn't tub they shouldn't tub	I shouldn't be tubbing you shouldn't be tubbing she shouldn't be tubbing we shouldn't be tubbing you shouldn't be tubbing they shouldn't be tubbing
Perfect	V-ing perfect
I shouldn't have tubbed you shouldn't have tubbed she shouldn't have tubbed we shouldn't have tubbed you shouldn't have tubbed they shouldn't have tubbed	I shouldn't have been tubbing you shouldn't have been tubbing she shouldn't have been tubbing we shouldn't have been tubbing you shouldn't have been tubbing they shouldn't have been tubbing

Interrogative form

Simple form	V-ing form
should I tub? should you tub? should she tub? should we tub? should you tub? should they tub?	should I be tubbing? should you be tubbing? should she be tubbing? should we be tubbing? should you be tubbing? should they be tubbing?
Perfect	V-ing perfect
should I have tubbed? should you have tubbed? should she have tubbed? should we have tubbed? should you have tubbed? should they have tubbed?	should I have been tubbing? should you have been tubbing? should she have been tubbing? should we have been tubbing? should you have been tubbing? should they have been tubbing?

Interro-negative form

Simple form	V-ing form
shouldn't I tub? shouldn't you tub? shouldn't she tub? shouldn't we tub? shouldn't you tub? shouldn't they tub?	shouldn't I be tubbing? shouldn't you be tubbing? shouldn't she be tubbing? shouldn't we be tubbing? shouldn't you be tubbing? shouldn't they be tubbing?
Perfect	V-ing perfect
shouldn't I have tubbed? shouldn't you have tubbed? shouldn't she have tubbed? shouldn't we have tubbed? shouldn't you have tubbed? shouldn't they have tubbed?	shouldn't I have been tubbing? shouldn't you have been tubbing? shouldn't she have been tubbing? shouldn't we have been tubbing? shouldn't you have been tubbing? shouldn't they have been tubbing?