could peril
Regular verb: peril - periled- periled

Affirmation 	
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I could peril
you could peril
he could peril
we could peril
you could peril
they could peril 	I could be periling
you could be periling
he could be periling
we could be periling
you could be periling
they could be periling	I could have periled
you could have periled
he could have periled
we could have periled
you could have periled
they could have periled	I could have been periling
you could have been periling
he could have been periling
we could have been periling
you could have been periling
they could have been periling	

Negation 	
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I could not peril
you could not peril
he could not peril
we could not peril
you could not peril
they could not peril 	I could not be periling
you could not be periling
he could not be periling
we could not be periling
you could not be periling
they could not be periling	I could not have periled
you could not have periled
he could not have periled
we could not have periled
you could not have periled
they could not have periled	I could not have been periling
you could not have been periling
he could not have been periling
we could not have been periling
you could not have been periling
they could not have been periling	

Interrogative form 	
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could I peril?
could you peril?
could he peril?
could we peril?
could you peril?
could they peril? 	could I be periling?
could you be periling?
could he be periling?
could we be periling?
could you be periling?
could they be periling? 	could I have periled?
could you have periled?
could he have periled?
could we have periled?
could you have periled?
could they have periled? 	could I have been periling?
could you have been periling?
could he have been periling?
could we have been periling?
could you have been periling?
could they have been periling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not peril?
could you not peril?
could he not peril?
could we not peril?
could you not peril?
could they not peril? 	could I not be periling?
could you not be periling?
could he not be periling?
could we not be periling?
could you not be periling?
could they not be periling? 	could I not have periled?
could you not have periled?
could he not have periled?
could we not have periled?
could you not have periled?
could they not have periled? 	could I not have been periling?
could you not have been periling?
could he not have been periling?
could we not have been periling?
could you not have been periling?
could they not have been periling?