English verb conjugation
COULD THROTTLE

Regular verb: throttle - throttled - throttled

Affirmation

Simple form	V-ing form
I could throttle you could throttle he could throttle we could throttle you could throttle they could throttle	I could be throttling you could be throttling he could be throttling we could be throttling you could be throttling they could be throttling
Perfect	V-ing perfect
I could have throttled you could have throttled he could have throttled we could have throttled you could have throttled they could have throttled	I could have been throttling you could have been throttling he could have been throttling we could have been throttling you could have been throttling they could have been throttling

Negation

Simple form	V-ing form
I could not throttle you could not throttle he could not throttle we could not throttle you could not throttle they could not throttle	I could not be throttling you could not be throttling he could not be throttling we could not be throttling you could not be throttling they could not be throttling
Perfect	V-ing perfect
I could not have throttled you could not have throttled he could not have throttled we could not have throttled you could not have throttled they could not have throttled	I could not have been throttling you could not have been throttling he could not have been throttling we could not have been throttling you could not have been throttling they could not have been throttling

Interrogative form

Simple form	V-ing form
could I throttle? could you throttle? could he throttle? could we throttle? could you throttle? could they throttle?	could I be throttling? could you be throttling? could he be throttling? could we be throttling? could you be throttling? could they be throttling?
Perfect	V-ing perfect
could I have throttled? could you have throttled? could he have throttled? could we have throttled? could you have throttled? could they have throttled?	could I have been throttling? could you have been throttling? could he have been throttling? could we have been throttling? could you have been throttling? could they have been throttling?

Interro-negative form

Simple form	V-ing form
could I not throttle? could you not throttle? could he not throttle? could we not throttle? could you not throttle? could they not throttle?	could I not be throttling? could you not be throttling? could he not be throttling? could we not be throttling? could you not be throttling? could they not be throttling?
Perfect	V-ing perfect
could I not have throttled? could you not have throttled? could he not have throttled? could we not have throttled? could you not have throttled? could they not have throttled?	could I not have been throttling? could you not have been throttling? could he not have been throttling? could we not have been throttling? could you not have been throttling? could they not have been throttling?