could vex
Verbo regular: vex - vexed- vexed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could vex
you could vex
he could vex
we could vex
you could vex
they could vex 	I could be vexing
you could be vexing
he could be vexing
we could be vexing
you could be vexing
they could be vexing	I could have vexed
you could have vexed
he could have vexed
we could have vexed
you could have vexed
they could have vexed	I could have been vexing
you could have been vexing
he could have been vexing
we could have been vexing
you could have been vexing
they could have been vexing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not vex
you could not vex
he could not vex
we could not vex
you could not vex
they could not vex 	I could not be vexing
you could not be vexing
he could not be vexing
we could not be vexing
you could not be vexing
they could not be vexing	I could not have vexed
you could not have vexed
he could not have vexed
we could not have vexed
you could not have vexed
they could not have vexed	I could not have been vexing
you could not have been vexing
he could not have been vexing
we could not have been vexing
you could not have been vexing
they could not have been vexing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I vex?
could you vex?
could he vex?
could we vex?
could you vex?
could they vex? 	could I be vexing?
could you be vexing?
could he be vexing?
could we be vexing?
could you be vexing?
could they be vexing? 	could I have vexed?
could you have vexed?
could he have vexed?
could we have vexed?
could you have vexed?
could they have vexed? 	could I have been vexing?
could you have been vexing?
could he have been vexing?
could we have been vexing?
could you have been vexing?
could they have been vexing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not vex?
could you not vex?
could he not vex?
could we not vex?
could you not vex?
could they not vex? 	could I not be vexing?
could you not be vexing?
could he not be vexing?
could we not be vexing?
could you not be vexing?
could they not be vexing? 	could I not have vexed?
could you not have vexed?
could he not have vexed?
could we not have vexed?
could you not have vexed?
could they not have vexed? 	could I not have been vexing?
could you not have been vexing?
could he not have been vexing?
could we not have been vexing?
could you not have been vexing?
could they not have been vexing?