English verb conjugation
SHOULD BUTTRESS

Regular verb: buttress - buttressed - buttressed

Affirmation

Simple form	V-ing form
I'd buttress you'd buttress he'd buttress we'd buttress you'd buttress they'd buttress	I'd be buttressing you'd be buttressing he'd be buttressing we'd be buttressing you'd be buttressing they'd be buttressing
Perfect	V-ing perfect
I should've buttressed you should've buttressed he should've buttressed we should've buttressed you should've buttressed they should've buttressed	I should've been buttressing you should've been buttressing he should've been buttressing we should've been buttressing you should've been buttressing they should've been buttressing

Negation

Simple form	V-ing form
I shouldn't buttress you shouldn't buttress he shouldn't buttress we shouldn't buttress you shouldn't buttress they shouldn't buttress	I shouldn't be buttressing you shouldn't be buttressing he shouldn't be buttressing we shouldn't be buttressing you shouldn't be buttressing they shouldn't be buttressing
Perfect	V-ing perfect
I shouldn't have buttressed you shouldn't have buttressed he shouldn't have buttressed we shouldn't have buttressed you shouldn't have buttressed they shouldn't have buttressed	I shouldn't have been buttressing you shouldn't have been buttressing he shouldn't have been buttressing we shouldn't have been buttressing you shouldn't have been buttressing they shouldn't have been buttressing

Interrogative form

Simple form	V-ing form
should I buttress? should you buttress? should he buttress? should we buttress? should you buttress? should they buttress?	should I be buttressing? should you be buttressing? should he be buttressing? should we be buttressing? should you be buttressing? should they be buttressing?
Perfect	V-ing perfect
should I have buttressed? should you have buttressed? should he have buttressed? should we have buttressed? should you have buttressed? should they have buttressed?	should I have been buttressing? should you have been buttressing? should he have been buttressing? should we have been buttressing? should you have been buttressing? should they have been buttressing?

Interro-negative form

Simple form	V-ing form
shouldn't I buttress? shouldn't you buttress? shouldn't he buttress? shouldn't we buttress? shouldn't you buttress? shouldn't they buttress?	shouldn't I be buttressing? shouldn't you be buttressing? shouldn't he be buttressing? shouldn't we be buttressing? shouldn't you be buttressing? shouldn't they be buttressing?
Perfect	V-ing perfect
shouldn't I have buttressed? shouldn't you have buttressed? shouldn't he have buttressed? shouldn't we have buttressed? shouldn't you have buttressed? shouldn't they have buttressed?	shouldn't I have been buttressing? shouldn't you have been buttressing? shouldn't he have been buttressing? shouldn't we have been buttressing? shouldn't you have been buttressing? shouldn't they have been buttressing?