English verb conjugation
COULD TRUCKLE

Regular verb: truckle - truckled - truckled

Affirmation

Simple form	V-ing form
I could truckle you could truckle he could truckle we could truckle you could truckle they could truckle	I could be truckling you could be truckling he could be truckling we could be truckling you could be truckling they could be truckling
Perfect	V-ing perfect
I could have truckled you could have truckled he could have truckled we could have truckled you could have truckled they could have truckled	I could have been truckling you could have been truckling he could have been truckling we could have been truckling you could have been truckling they could have been truckling

Negation

Simple form	V-ing form
I could not truckle you could not truckle he could not truckle we could not truckle you could not truckle they could not truckle	I could not be truckling you could not be truckling he could not be truckling we could not be truckling you could not be truckling they could not be truckling
Perfect	V-ing perfect
I could not have truckled you could not have truckled he could not have truckled we could not have truckled you could not have truckled they could not have truckled	I could not have been truckling you could not have been truckling he could not have been truckling we could not have been truckling you could not have been truckling they could not have been truckling

Interrogative form

Simple form	V-ing form
could I truckle? could you truckle? could he truckle? could we truckle? could you truckle? could they truckle?	could I be truckling? could you be truckling? could he be truckling? could we be truckling? could you be truckling? could they be truckling?
Perfect	V-ing perfect
could I have truckled? could you have truckled? could he have truckled? could we have truckled? could you have truckled? could they have truckled?	could I have been truckling? could you have been truckling? could he have been truckling? could we have been truckling? could you have been truckling? could they have been truckling?

Interro-negative form

Simple form	V-ing form
could I not truckle? could you not truckle? could he not truckle? could we not truckle? could you not truckle? could they not truckle?	could I not be truckling? could you not be truckling? could he not be truckling? could we not be truckling? could you not be truckling? could they not be truckling?
Perfect	V-ing perfect
could I not have truckled? could you not have truckled? could he not have truckled? could we not have truckled? could you not have truckled? could they not have truckled?	could I not have been truckling? could you not have been truckling? could he not have been truckling? could we not have been truckling? could you not have been truckling? could they not have been truckling?