English verb conjugation
MUST SHINGLE

Regular verb: shingle - shingled - shingled

Affirmation

Simple form	V-ing form
I must shingle you must shingle he must shingle we must shingle you must shingle they must shingle	I must be shingling you must be shingling he must be shingling we must be shingling you must be shingling they must be shingling
Perfect	V-ing perfect
I must have shingled you must have shingled he must have shingled we must have shingled you must have shingled they must have shingled	I must have been shingling you must have been shingling he must have been shingling we must have been shingling you must have been shingling they must have been shingling

Negation

Simple form	V-ing form
I must not shingle you must not shingle he must not shingle we must not shingle you must not shingle they must not shingle	I must not be shingling you must not be shingling he must not be shingling we must not be shingling you must not be shingling they must not be shingling
Perfect	V-ing perfect
I must not have shingled you must not have shingled he must not have shingled we must not have shingled you must not have shingled they must not have shingled	I must not have been shingling you must not have been shingling he must not have been shingling we must not have been shingling you must not have been shingling they must not have been shingling

Interrogative form

Simple form	V-ing form
must I shingle? must you shingle? must he shingle? must we shingle? must you shingle? must they shingle?	must I be shingling? must you be shingling? must he be shingling? must we be shingling? must you be shingling? must they be shingling?
Perfect	V-ing perfect
must I have shingled? must you have shingled? must he have shingled? must we have shingled? must you have shingled? must they have shingled?	must I have been shingling? must you have been shingling? must he have been shingling? must we have been shingling? must you have been shingling? must they have been shingling?

Interro-negative form

Simple form	V-ing form
must I not shingle? must you not shingle? must he not shingle? must we not shingle? must you not shingle? must they not shingle?	must I not be shingling? must you not be shingling? must he not be shingling? must we not be shingling? must you not be shingling? must they not be shingling?
Perfect	V-ing perfect
must I not have shingled? must you not have shingled? must he not have shingled? must we not have shingled? must you not have shingled? must they not have shingled?	must I not have been shingling? must you not have been shingling? must he not have been shingling? must we not have been shingling? must you not have been shingling? must they not have been shingling?