English verb conjugation
SHOULD UNDERPRAISE

Regular verb: underpraise - underpraised - underpraised

Affirmation

Simple form	V-ing form
I'd underpraise you'd underpraise he'd underpraise we'd underpraise you'd underpraise they'd underpraise	I'd be underpraising you'd be underpraising he'd be underpraising we'd be underpraising you'd be underpraising they'd be underpraising
Perfect	V-ing perfect
I should've underpraised you should've underpraised he should've underpraised we should've underpraised you should've underpraised they should've underpraised	I should've been underpraising you should've been underpraising he should've been underpraising we should've been underpraising you should've been underpraising they should've been underpraising

Negation

Simple form	V-ing form
I shouldn't underpraise you shouldn't underpraise he shouldn't underpraise we shouldn't underpraise you shouldn't underpraise they shouldn't underpraise	I shouldn't be underpraising you shouldn't be underpraising he shouldn't be underpraising we shouldn't be underpraising you shouldn't be underpraising they shouldn't be underpraising
Perfect	V-ing perfect
I shouldn't have underpraised you shouldn't have underpraised he shouldn't have underpraised we shouldn't have underpraised you shouldn't have underpraised they shouldn't have underpraised	I shouldn't have been underpraising you shouldn't have been underpraising he shouldn't have been underpraising we shouldn't have been underpraising you shouldn't have been underpraising they shouldn't have been underpraising

Interrogative form

Simple form	V-ing form
should I underpraise? should you underpraise? should he underpraise? should we underpraise? should you underpraise? should they underpraise?	should I be underpraising? should you be underpraising? should he be underpraising? should we be underpraising? should you be underpraising? should they be underpraising?
Perfect	V-ing perfect
should I have underpraised? should you have underpraised? should he have underpraised? should we have underpraised? should you have underpraised? should they have underpraised?	should I have been underpraising? should you have been underpraising? should he have been underpraising? should we have been underpraising? should you have been underpraising? should they have been underpraising?

Interro-negative form

Simple form	V-ing form
shouldn't I underpraise? shouldn't you underpraise? shouldn't he underpraise? shouldn't we underpraise? shouldn't you underpraise? shouldn't they underpraise?	shouldn't I be underpraising? shouldn't you be underpraising? shouldn't he be underpraising? shouldn't we be underpraising? shouldn't you be underpraising? shouldn't they be underpraising?
Perfect	V-ing perfect
shouldn't I have underpraised? shouldn't you have underpraised? shouldn't he have underpraised? shouldn't we have underpraised? shouldn't you have underpraised? shouldn't they have underpraised?	shouldn't I have been underpraising? shouldn't you have been underpraising? shouldn't he have been underpraising? shouldn't we have been underpraising? shouldn't you have been underpraising? shouldn't they have been underpraising?