English verb conjugation
CAN UNDERPRAISE

Regular verb: underpraise - underpraised - underpraised

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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