English verb conjugation
SHOULD TOOTH

Regular verb: tooth - toothed - toothed

Affirmation

Simple form	V-ing form
I'd tooth you'd tooth he'd tooth we'd tooth you'd tooth they'd tooth	I'd be toothing you'd be toothing he'd be toothing we'd be toothing you'd be toothing they'd be toothing
Perfect	V-ing perfect
I should've toothed you should've toothed he should've toothed we should've toothed you should've toothed they should've toothed	I should've been toothing you should've been toothing he should've been toothing we should've been toothing you should've been toothing they should've been toothing

Negation

Simple form	V-ing form
I shouldn't tooth you shouldn't tooth he shouldn't tooth we shouldn't tooth you shouldn't tooth they shouldn't tooth	I shouldn't be toothing you shouldn't be toothing he shouldn't be toothing we shouldn't be toothing you shouldn't be toothing they shouldn't be toothing
Perfect	V-ing perfect
I shouldn't have toothed you shouldn't have toothed he shouldn't have toothed we shouldn't have toothed you shouldn't have toothed they shouldn't have toothed	I shouldn't have been toothing you shouldn't have been toothing he shouldn't have been toothing we shouldn't have been toothing you shouldn't have been toothing they shouldn't have been toothing

Interrogative form

Simple form	V-ing form
should I tooth? should you tooth? should he tooth? should we tooth? should you tooth? should they tooth?	should I be toothing? should you be toothing? should he be toothing? should we be toothing? should you be toothing? should they be toothing?
Perfect	V-ing perfect
should I have toothed? should you have toothed? should he have toothed? should we have toothed? should you have toothed? should they have toothed?	should I have been toothing? should you have been toothing? should he have been toothing? should we have been toothing? should you have been toothing? should they have been toothing?

Interro-negative form

Simple form	V-ing form
shouldn't I tooth? shouldn't you tooth? shouldn't he tooth? shouldn't we tooth? shouldn't you tooth? shouldn't they tooth?	shouldn't I be toothing? shouldn't you be toothing? shouldn't he be toothing? shouldn't we be toothing? shouldn't you be toothing? shouldn't they be toothing?
Perfect	V-ing perfect
shouldn't I have toothed? shouldn't you have toothed? shouldn't he have toothed? shouldn't we have toothed? shouldn't you have toothed? shouldn't they have toothed?	shouldn't I have been toothing? shouldn't you have been toothing? shouldn't he have been toothing? shouldn't we have been toothing? shouldn't you have been toothing? shouldn't they have been toothing?