Conjugación del verbo inglés
MUST CHUCKLE

Verbo regular: chuckle - chuckled - chuckled

Afirmación

Forma simple	Forma con V-ing
I must chuckle you must chuckle she must chuckle we must chuckle you must chuckle they must chuckle	I must be chuckling you must be chuckling she must be chuckling we must be chuckling you must be chuckling they must be chuckling
Perfecto	Perfecto con V-ing
I must have chuckled you must have chuckled she must have chuckled we must have chuckled you must have chuckled they must have chuckled	I must have been chuckling you must have been chuckling she must have been chuckling we must have been chuckling you must have been chuckling they must have been chuckling

Negación

Forma simple	Forma con V-ing
I must not chuckle you must not chuckle she must not chuckle we must not chuckle you must not chuckle they must not chuckle	I must not be chuckling you must not be chuckling she must not be chuckling we must not be chuckling you must not be chuckling they must not be chuckling
Perfecto	Perfecto con V-ing
I must not have chuckled you must not have chuckled she must not have chuckled we must not have chuckled you must not have chuckled they must not have chuckled	I must not have been chuckling you must not have been chuckling she must not have been chuckling we must not have been chuckling you must not have been chuckling they must not have been chuckling

Forma interrogativa

Forma simple	Forma con V-ing
must I chuckle? must you chuckle? must she chuckle? must we chuckle? must you chuckle? must they chuckle?	must I be chuckling? must you be chuckling? must she be chuckling? must we be chuckling? must you be chuckling? must they be chuckling?
Perfecto	Perfecto con V-ing
must I have chuckled? must you have chuckled? must she have chuckled? must we have chuckled? must you have chuckled? must they have chuckled?	must I have been chuckling? must you have been chuckling? must she have been chuckling? must we have been chuckling? must you have been chuckling? must they have been chuckling?

Forma interro-negativa

Forma simple	Forma con V-ing
must I not chuckle? must you not chuckle? must she not chuckle? must we not chuckle? must you not chuckle? must they not chuckle?	must I not be chuckling? must you not be chuckling? must she not be chuckling? must we not be chuckling? must you not be chuckling? must they not be chuckling?
Perfecto	Perfecto con V-ing
must I not have chuckled? must you not have chuckled? must she not have chuckled? must we not have chuckled? must you not have chuckled? must they not have chuckled?	must I not have been chuckling? must you not have been chuckling? must she not have been chuckling? must we not have been chuckling? must you not have been chuckling? must they not have been chuckling?