Conjugación del verbo inglés
COULD QUOIN

Verbo regular: quoin - quoined - quoined

Afirmación

Forma simple	Forma con V-ing
I could quoin you could quoin he could quoin we could quoin you could quoin they could quoin	I could be quoining you could be quoining he could be quoining we could be quoining you could be quoining they could be quoining
Perfecto	Perfecto con V-ing
I could have quoined you could have quoined he could have quoined we could have quoined you could have quoined they could have quoined	I could have been quoining you could have been quoining he could have been quoining we could have been quoining you could have been quoining they could have been quoining

Negación

Forma simple	Forma con V-ing
I couldn't quoin you couldn't quoin he couldn't quoin we couldn't quoin you couldn't quoin they couldn't quoin	I couldn't be quoining you couldn't be quoining he couldn't be quoining we couldn't be quoining you couldn't be quoining they couldn't be quoining
Perfecto	Perfecto con V-ing
I couldn't have quoined you couldn't have quoined he couldn't have quoined we couldn't have quoined you couldn't have quoined they couldn't have quoined	I couldn't have been quoining you couldn't have been quoining he couldn't have been quoining we couldn't have been quoining you couldn't have been quoining they couldn't have been quoining

Forma interrogativa

Forma simple	Forma con V-ing
could I quoin? could you quoin? could he quoin? could we quoin? could you quoin? could they quoin?	could I be quoining? could you be quoining? could he be quoining? could we be quoining? could you be quoining? could they be quoining?
Perfecto	Perfecto con V-ing
could I have quoined? could you have quoined? could he have quoined? could we have quoined? could you have quoined? could they have quoined?	could I have been quoining? could you have been quoining? could he have been quoining? could we have been quoining? could you have been quoining? could they have been quoining?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I quoin? couldn't you quoin? couldn't he quoin? couldn't we quoin? couldn't you quoin? couldn't they quoin?	couldn't I be quoining? couldn't you be quoining? couldn't he be quoining? couldn't we be quoining? couldn't you be quoining? couldn't they be quoining?
Perfecto	Perfecto con V-ing
couldn't I have quoined? couldn't you have quoined? couldn't he have quoined? couldn't we have quoined? couldn't you have quoined? couldn't they have quoined?	couldn't I have been quoining? couldn't you have been quoining? couldn't he have been quoining? couldn't we have been quoining? couldn't you have been quoining? couldn't they have been quoining?