English verb conjugation
COULD STRANGLE

Regular verb: strangle - strangled - strangled

Affirmation

Simple form	V-ing form
I could strangle you could strangle he could strangle we could strangle you could strangle they could strangle	I could be strangling you could be strangling he could be strangling we could be strangling you could be strangling they could be strangling
Perfect	V-ing perfect
I could have strangled you could have strangled he could have strangled we could have strangled you could have strangled they could have strangled	I could have been strangling you could have been strangling he could have been strangling we could have been strangling you could have been strangling they could have been strangling

Negation

Simple form	V-ing form
I could not strangle you could not strangle he could not strangle we could not strangle you could not strangle they could not strangle	I could not be strangling you could not be strangling he could not be strangling we could not be strangling you could not be strangling they could not be strangling
Perfect	V-ing perfect
I could not have strangled you could not have strangled he could not have strangled we could not have strangled you could not have strangled they could not have strangled	I could not have been strangling you could not have been strangling he could not have been strangling we could not have been strangling you could not have been strangling they could not have been strangling

Interrogative form

Simple form	V-ing form
could I strangle? could you strangle? could he strangle? could we strangle? could you strangle? could they strangle?	could I be strangling? could you be strangling? could he be strangling? could we be strangling? could you be strangling? could they be strangling?
Perfect	V-ing perfect
could I have strangled? could you have strangled? could he have strangled? could we have strangled? could you have strangled? could they have strangled?	could I have been strangling? could you have been strangling? could he have been strangling? could we have been strangling? could you have been strangling? could they have been strangling?

Interro-negative form

Simple form	V-ing form
could I not strangle? could you not strangle? could he not strangle? could we not strangle? could you not strangle? could they not strangle?	could I not be strangling? could you not be strangling? could he not be strangling? could we not be strangling? could you not be strangling? could they not be strangling?
Perfect	V-ing perfect
could I not have strangled? could you not have strangled? could he not have strangled? could we not have strangled? could you not have strangled? could they not have strangled?	could I not have been strangling? could you not have been strangling? could he not have been strangling? could we not have been strangling? could you not have been strangling? could they not have been strangling?