English verb conjugation
COULD VILIFY

Regular verb: vilify - vilified - vilified

Affirmation

Simple form	V-ing form
I could vilify you could vilify he could vilify we could vilify you could vilify they could vilify	I could be vilifying you could be vilifying he could be vilifying we could be vilifying you could be vilifying they could be vilifying
Perfect	V-ing perfect
I could have vilified you could have vilified he could have vilified we could have vilified you could have vilified they could have vilified	I could have been vilifying you could have been vilifying he could have been vilifying we could have been vilifying you could have been vilifying they could have been vilifying

Negation

Simple form	V-ing form
I couldn't vilify you couldn't vilify he couldn't vilify we couldn't vilify you couldn't vilify they couldn't vilify	I couldn't be vilifying you couldn't be vilifying he couldn't be vilifying we couldn't be vilifying you couldn't be vilifying they couldn't be vilifying
Perfect	V-ing perfect
I couldn't have vilified you couldn't have vilified he couldn't have vilified we couldn't have vilified you couldn't have vilified they couldn't have vilified	I couldn't have been vilifying you couldn't have been vilifying he couldn't have been vilifying we couldn't have been vilifying you couldn't have been vilifying they couldn't have been vilifying

Interrogative form

Simple form	V-ing form
could I vilify? could you vilify? could he vilify? could we vilify? could you vilify? could they vilify?	could I be vilifying? could you be vilifying? could he be vilifying? could we be vilifying? could you be vilifying? could they be vilifying?
Perfect	V-ing perfect
could I have vilified? could you have vilified? could he have vilified? could we have vilified? could you have vilified? could they have vilified?	could I have been vilifying? could you have been vilifying? could he have been vilifying? could we have been vilifying? could you have been vilifying? could they have been vilifying?

Interro-negative form

Simple form	V-ing form
couldn't I vilify? couldn't you vilify? couldn't he vilify? couldn't we vilify? couldn't you vilify? couldn't they vilify?	couldn't I be vilifying? couldn't you be vilifying? couldn't he be vilifying? couldn't we be vilifying? couldn't you be vilifying? couldn't they be vilifying?
Perfect	V-ing perfect
couldn't I have vilified? couldn't you have vilified? couldn't he have vilified? couldn't we have vilified? couldn't you have vilified? couldn't they have vilified?	couldn't I have been vilifying? couldn't you have been vilifying? couldn't he have been vilifying? couldn't we have been vilifying? couldn't you have been vilifying? couldn't they have been vilifying?