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 couldn't envy you couldn't envy he couldn't envy we couldn't envy you couldn't envy they couldn't envy	I couldn't be envying you couldn't be envying he couldn't be envying we couldn't be envying you couldn't be envying they couldn't be envying
Perfect	V-ing perfect
I couldn't have envied you couldn't have envied he couldn't have envied we couldn't have envied you couldn't have envied they couldn't have envied	I couldn't have been envying you couldn't have been envying he couldn't have been envying we couldn't have been envying you couldn't have been envying they couldn't 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
couldn't I envy? couldn't you envy? couldn't he envy? couldn't we envy? couldn't you envy? couldn't they envy?	couldn't I be envying? couldn't you be envying? couldn't he be envying? couldn't we be envying? couldn't you be envying? couldn't they be envying?
Perfect	V-ing perfect
couldn't I have envied? couldn't you have envied? couldn't he have envied? couldn't we have envied? couldn't you have envied? couldn't they have envied?	couldn't I have been envying? couldn't you have been envying? couldn't he have been envying? couldn't we have been envying? couldn't you have been envying? couldn't they have been envying?