Conjugación del verbo inglés
MUST QUARTERBACK

Verbo regular: quarterback - quarterbacked - quarterbacked

Afirmación

Forma simple	Forma con V-ing
I must quarterback you must quarterback she must quarterback we must quarterback you must quarterback they must quarterback	I must be quarterbacking you must be quarterbacking she must be quarterbacking we must be quarterbacking you must be quarterbacking they must be quarterbacking
Perfecto	Perfecto con V-ing
I must have quarterbacked you must have quarterbacked she must have quarterbacked we must have quarterbacked you must have quarterbacked they must have quarterbacked	I must have been quarterbacking you must have been quarterbacking she must have been quarterbacking we must have been quarterbacking you must have been quarterbacking they must have been quarterbacking

Negación

Forma simple	Forma con V-ing
I must not quarterback you must not quarterback she must not quarterback we must not quarterback you must not quarterback they must not quarterback	I must not be quarterbacking you must not be quarterbacking she must not be quarterbacking we must not be quarterbacking you must not be quarterbacking they must not be quarterbacking
Perfecto	Perfecto con V-ing
I must not have quarterbacked you must not have quarterbacked she must not have quarterbacked we must not have quarterbacked you must not have quarterbacked they must not have quarterbacked	I must not have been quarterbacking you must not have been quarterbacking she must not have been quarterbacking we must not have been quarterbacking you must not have been quarterbacking they must not have been quarterbacking

Forma interrogativa

Forma simple	Forma con V-ing
must I quarterback? must you quarterback? must she quarterback? must we quarterback? must you quarterback? must they quarterback?	must I be quarterbacking? must you be quarterbacking? must she be quarterbacking? must we be quarterbacking? must you be quarterbacking? must they be quarterbacking?
Perfecto	Perfecto con V-ing
must I have quarterbacked? must you have quarterbacked? must she have quarterbacked? must we have quarterbacked? must you have quarterbacked? must they have quarterbacked?	must I have been quarterbacking? must you have been quarterbacking? must she have been quarterbacking? must we have been quarterbacking? must you have been quarterbacking? must they have been quarterbacking?

Forma interro-negativa

Forma simple	Forma con V-ing
must I not quarterback? must you not quarterback? must she not quarterback? must we not quarterback? must you not quarterback? must they not quarterback?	must I not be quarterbacking? must you not be quarterbacking? must she not be quarterbacking? must we not be quarterbacking? must you not be quarterbacking? must they not be quarterbacking?
Perfecto	Perfecto con V-ing
must I not have quarterbacked? must you not have quarterbacked? must she not have quarterbacked? must we not have quarterbacked? must you not have quarterbacked? must they not have quarterbacked?	must I not have been quarterbacking? must you not have been quarterbacking? must she not have been quarterbacking? must we not have been quarterbacking? must you not have been quarterbacking? must they not have been quarterbacking?