English verb conjugation
CAN CHUCKLE

Regular verb: chuckle - chuckled - chuckled

Affirmation

Simple form	V-ing form
I can chuckle you can chuckle he can chuckle we can chuckle you can chuckle they can chuckle	I can be chuckling you can be chuckling he can be chuckling we can be chuckling you can be chuckling they can be chuckling
Perfect	V-ing perfect
I can have chuckled you can have chuckled he can have chuckled we can have chuckled you can have chuckled they can have chuckled	I can have been chuckling you can have been chuckling he can have been chuckling we can have been chuckling you can have been chuckling they can have been chuckling

Negation

Simple form	V-ing form
I cannot chuckle you cannot chuckle he cannot chuckle we cannot chuckle you cannot chuckle they cannot chuckle	I cannot be chuckling you cannot be chuckling he cannot be chuckling we cannot be chuckling you cannot be chuckling they cannot be chuckling
Perfect	V-ing perfect
I cannot have chuckled you cannot have chuckled he cannot have chuckled we cannot have chuckled you cannot have chuckled they cannot have chuckled	I cannot have been chuckling you cannot have been chuckling he cannot have been chuckling we cannot have been chuckling you cannot have been chuckling they cannot have been chuckling

Interrogative form

Simple form	V-ing form
can I chuckle? can you chuckle? can he chuckle? can we chuckle? can you chuckle? can they chuckle?	can I be chuckling? can you be chuckling? can he be chuckling? can we be chuckling? can you be chuckling? can they be chuckling?
Perfect	V-ing perfect
can I have chuckled? can you have chuckled? can he have chuckled? can we have chuckled? can you have chuckled? can they have chuckled?	can I have been chuckling? can you have been chuckling? can he have been chuckling? can we have been chuckling? can you have been chuckling? can they have been chuckling?

Interro-negative form

Simple form	V-ing form
can I not chuckle? can you not chuckle? can he not chuckle? can we not chuckle? can you not chuckle? can they not chuckle?	can I not be chuckling? can you not be chuckling? can he not be chuckling? can we not be chuckling? can you not be chuckling? can they not be chuckling?
Perfect	V-ing perfect
can I not have chuckled? can you not have chuckled? can he not have chuckled? can we not have chuckled? can you not have chuckled? can they not have chuckled?	can I not have been chuckling? can you not have been chuckling? can he not have been chuckling? can we not have been chuckling? can you not have been chuckling? can they not have been chuckling?