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 couldn't truckle you couldn't truckle he couldn't truckle we couldn't truckle you couldn't truckle they couldn't truckle	I couldn't be truckling you couldn't be truckling he couldn't be truckling we couldn't be truckling you couldn't be truckling they couldn't be truckling
Perfect	V-ing perfect
I couldn't have truckled you couldn't have truckled he couldn't have truckled we couldn't have truckled you couldn't have truckled they couldn't have truckled	I couldn't have been truckling you couldn't have been truckling he couldn't have been truckling we couldn't have been truckling you couldn't have been truckling they couldn't 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
couldn't I truckle? couldn't you truckle? couldn't he truckle? couldn't we truckle? couldn't you truckle? couldn't they truckle?	couldn't I be truckling? couldn't you be truckling? couldn't he be truckling? couldn't we be truckling? couldn't you be truckling? couldn't they be truckling?
Perfect	V-ing perfect
couldn't I have truckled? couldn't you have truckled? couldn't he have truckled? couldn't we have truckled? couldn't you have truckled? couldn't they have truckled?	couldn't I have been truckling? couldn't you have been truckling? couldn't he have been truckling? couldn't we have been truckling? couldn't you have been truckling? couldn't they have been truckling?