English verb conjugation
COULD ENVY

Regular verb: envy - envied - envied

Affirmation

Simple form	V-ing form
I could envy you could envy he could envy we could envy you could envy they could envy	I could be envying you could be envying he could be envying we could be envying you could be envying they could be envying
Perfect	V-ing perfect
I could have envied you could have envied he could have envied we could have envied you could have envied they could have envied	I could have been envying you could have been envying he could have been envying we could have been envying you could have been envying they could have been envying

Negation

Simple form	V-ing form
I could not envy you could not envy he could not envy we could not envy you could not envy they could not envy	I could not be envying you could not be envying he could not be envying we could not be envying you could not be envying they could not be envying
Perfect	V-ing perfect
I could not have envied you could not have envied he could not have envied we could not have envied you could not have envied they could not have envied	I could not have been envying you could not have been envying he could not have been envying we could not have been envying you could not have been envying they could not have been envying

Interrogative form

Simple form	V-ing form
could I envy? could you envy? could he envy? could we envy? could you envy? could they envy?	could I be envying? could you be envying? could he be envying? could we be envying? could you be envying? could they be envying?
Perfect	V-ing perfect
could I have envied? could you have envied? could he have envied? could we have envied? could you have envied? could they have envied?	could I have been envying? could you have been envying? could he have been envying? could we have been envying? could you have been envying? could they have been envying?

Interro-negative form

Simple form	V-ing form
could I not envy? could you not envy? could he not envy? could we not envy? could you not envy? could they not envy?	could I not be envying? could you not be envying? could he not be envying? could we not be envying? could you not be envying? could they not be envying?
Perfect	V-ing perfect
could I not have envied? could you not have envied? could he not have envied? could we not have envied? could you not have envied? could they not have envied?	could I not have been envying? could you not have been envying? could he not have been envying? could we not have been envying? could you not have been envying? could they not have been envying?