could perpend
Verbe régulier : perpend - perpended- perpended

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could perpend
you could perpend
he could perpend
we could perpend
you could perpend
they could perpend 	I could be perpending
you could be perpending
he could be perpending
we could be perpending
you could be perpending
they could be perpending	I could have perpended
you could have perpended
he could have perpended
we could have perpended
you could have perpended
they could have perpended	I could have been perpending
you could have been perpending
he could have been perpending
we could have been perpending
you could have been perpending
they could have been perpending	

Négation 	
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I couldn't perpend
you couldn't perpend
he couldn't perpend
we couldn't perpend
you couldn't perpend
they couldn't perpend 	I couldn't be perpending
you couldn't be perpending
he couldn't be perpending
we couldn't be perpending
you couldn't be perpending
they couldn't be perpending	I couldn't have perpended
you couldn't have perpended
he couldn't have perpended
we couldn't have perpended
you couldn't have perpended
they couldn't have perpended	I couldn't have been perpending
you couldn't have been perpending
he couldn't have been perpending
we couldn't have been perpending
you couldn't have been perpending
they couldn't have been perpending	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I perpend?
could you perpend?
could he perpend?
could we perpend?
could you perpend?
could they perpend? 	could I be perpending?
could you be perpending?
could he be perpending?
could we be perpending?
could you be perpending?
could they be perpending? 	could I have perpended?
could you have perpended?
could he have perpended?
could we have perpended?
could you have perpended?
could they have perpended? 	could I have been perpending?
could you have been perpending?
could he have been perpending?
could we have been perpending?
could you have been perpending?
could they have been perpending? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I perpend?
couldn't you perpend?
couldn't he perpend?
couldn't we perpend?
couldn't you perpend?
couldn't they perpend? 	couldn't I be perpending?
couldn't you be perpending?
couldn't he be perpending?
couldn't we be perpending?
couldn't you be perpending?
couldn't they be perpending? 	couldn't I have perpended?
couldn't you have perpended?
couldn't he have perpended?
couldn't we have perpended?
couldn't you have perpended?
couldn't they have perpended? 	couldn't I have been perpending?
couldn't you have been perpending?
couldn't he have been perpending?
couldn't we have been perpending?
couldn't you have been perpending?
couldn't they have been perpending?