could underpraise
Verbo regular: underpraise - underpraised- underpraised

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could underpraise
you could underpraise
he could underpraise
we could underpraise
you could underpraise
they could underpraise 	I could be underpraising
you could be underpraising
he could be underpraising
we could be underpraising
you could be underpraising
they could be underpraising	I could have underpraised
you could have underpraised
he could have underpraised
we could have underpraised
you could have underpraised
they could have underpraised	I could have been underpraising
you could have been underpraising
he could have been underpraising
we could have been underpraising
you could have been underpraising
they could have been underpraising	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not underpraise
you could not underpraise
he could not underpraise
we could not underpraise
you could not underpraise
they could not underpraise 	I could not be underpraising
you could not be underpraising
he could not be underpraising
we could not be underpraising
you could not be underpraising
they could not be underpraising	I could not have underpraised
you could not have underpraised
he could not have underpraised
we could not have underpraised
you could not have underpraised
they could not have underpraised	I could not have been underpraising
you could not have been underpraising
he could not have been underpraising
we could not have been underpraising
you could not have been underpraising
they could not have been underpraising	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I underpraise?
could you underpraise?
could he underpraise?
could we underpraise?
could you underpraise?
could they underpraise? 	could I be underpraising?
could you be underpraising?
could he be underpraising?
could we be underpraising?
could you be underpraising?
could they be underpraising? 	could I have underpraised?
could you have underpraised?
could he have underpraised?
could we have underpraised?
could you have underpraised?
could they have underpraised? 	could I have been underpraising?
could you have been underpraising?
could he have been underpraising?
could we have been underpraising?
could you have been underpraising?
could they have been underpraising? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not underpraise?
could you not underpraise?
could he not underpraise?
could we not underpraise?
could you not underpraise?
could they not underpraise? 	could I not be underpraising?
could you not be underpraising?
could he not be underpraising?
could we not be underpraising?
could you not be underpraising?
could they not be underpraising? 	could I not have underpraised?
could you not have underpraised?
could he not have underpraised?
could we not have underpraised?
could you not have underpraised?
could they not have underpraised? 	could I not have been underpraising?
could you not have been underpraising?
could he not have been underpraising?
could we not have been underpraising?
could you not have been underpraising?
could they not have been underpraising?