can underpraise
Regular verb: underpraise - underpraised- underpraised

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