Conjugación del verbo inglés
COULD VEX

Verbo regular: vex - vexed - vexed

Afirmación

Forma simple	Forma con V-ing
I could vex you could vex she could vex we could vex you could vex they could vex	I could be vexing you could be vexing she could be vexing we could be vexing you could be vexing they could be vexing
Perfecto	Perfecto con V-ing
I could have vexed you could have vexed she 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 she 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
I couldn't vex you couldn't vex she couldn't vex we couldn't vex you couldn't vex they couldn't vex	I couldn't be vexing you couldn't be vexing she couldn't be vexing we couldn't be vexing you couldn't be vexing they couldn't be vexing
Perfecto	Perfecto con V-ing
I couldn't have vexed you couldn't have vexed she couldn't have vexed we couldn't have vexed you couldn't have vexed they couldn't have vexed	I couldn't have been vexing you couldn't have been vexing she couldn't have been vexing we couldn't have been vexing you couldn't have been vexing they couldn't have been vexing

Forma interrogativa

Forma simple	Forma con V-ing
could I vex? could you vex? could she vex? could we vex? could you vex? could they vex?	could I be vexing? could you be vexing? could she be vexing? could we be vexing? could you be vexing? could they be vexing?
Perfecto	Perfecto con V-ing
could I have vexed? could you have vexed? could she 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 she 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
couldn't I vex? couldn't you vex? couldn't she vex? couldn't we vex? couldn't you vex? couldn't they vex?	couldn't I be vexing? couldn't you be vexing? couldn't she be vexing? couldn't we be vexing? couldn't you be vexing? couldn't they be vexing?
Perfecto	Perfecto con V-ing
couldn't I have vexed? couldn't you have vexed? couldn't she have vexed? couldn't we have vexed? couldn't you have vexed? couldn't they have vexed?	couldn't I have been vexing? couldn't you have been vexing? couldn't she have been vexing? couldn't we have been vexing? couldn't you have been vexing? couldn't they have been vexing?