could prospect
Verbo regular: prospect - prospected- prospected

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could prospect
you could prospect
he could prospect
we could prospect
you could prospect
they could prospect 	I could be prospecting
you could be prospecting
he could be prospecting
we could be prospecting
you could be prospecting
they could be prospecting	I could have prospected
you could have prospected
he could have prospected
we could have prospected
you could have prospected
they could have prospected	I could have been prospecting
you could have been prospecting
he could have been prospecting
we could have been prospecting
you could have been prospecting
they could have been prospecting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't prospect
you couldn't prospect
he couldn't prospect
we couldn't prospect
you couldn't prospect
they couldn't prospect 	I couldn't be prospecting
you couldn't be prospecting
he couldn't be prospecting
we couldn't be prospecting
you couldn't be prospecting
they couldn't be prospecting	I couldn't have prospected
you couldn't have prospected
he couldn't have prospected
we couldn't have prospected
you couldn't have prospected
they couldn't have prospected	I couldn't have been prospecting
you couldn't have been prospecting
he couldn't have been prospecting
we couldn't have been prospecting
you couldn't have been prospecting
they couldn't have been prospecting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I prospect?
could you prospect?
could he prospect?
could we prospect?
could you prospect?
could they prospect? 	could I be prospecting?
could you be prospecting?
could he be prospecting?
could we be prospecting?
could you be prospecting?
could they be prospecting? 	could I have prospected?
could you have prospected?
could he have prospected?
could we have prospected?
could you have prospected?
could they have prospected? 	could I have been prospecting?
could you have been prospecting?
could he have been prospecting?
could we have been prospecting?
could you have been prospecting?
could they have been prospecting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I prospect?
couldn't you prospect?
couldn't he prospect?
couldn't we prospect?
couldn't you prospect?
couldn't they prospect? 	couldn't I be prospecting?
couldn't you be prospecting?
couldn't he be prospecting?
couldn't we be prospecting?
couldn't you be prospecting?
couldn't they be prospecting? 	couldn't I have prospected?
couldn't you have prospected?
couldn't he have prospected?
couldn't we have prospected?
couldn't you have prospected?
couldn't they have prospected? 	couldn't I have been prospecting?
couldn't you have been prospecting?
couldn't he have been prospecting?
couldn't we have been prospecting?
couldn't you have been prospecting?
couldn't they have been prospecting?