English verb conjugation
MUST SHINGLE

Regular verb: shingle - shingled - shingled

Affirmation

Simple form	V-ing form
I must shingle you must shingle she must shingle we must shingle you must shingle they must shingle	I must be shingling you must be shingling she 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 she 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 she 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 mustn't shingle you mustn't shingle she mustn't shingle we mustn't shingle you mustn't shingle they mustn't shingle	I mustn't be shingling you mustn't be shingling she mustn't be shingling we mustn't be shingling you mustn't be shingling they mustn't be shingling
Perfect	V-ing perfect
I mustn't have shingled you mustn't have shingled she mustn't have shingled we mustn't have shingled you mustn't have shingled they mustn't have shingled	I mustn't have been shingling you mustn't have been shingling she mustn't have been shingling we mustn't have been shingling you mustn't have been shingling they mustn't have been shingling

Interrogative form

Simple form	V-ing form
must I shingle? must you shingle? must she shingle? must we shingle? must you shingle? must they shingle?	must I be shingling? must you be shingling? must she 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 she 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 she 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
mustn't I shingle? mustn't you shingle? mustn't she shingle? mustn't we shingle? mustn't you shingle? mustn't they shingle?	mustn't I be shingling? mustn't you be shingling? mustn't she be shingling? mustn't we be shingling? mustn't you be shingling? mustn't they be shingling?
Perfect	V-ing perfect
mustn't I have shingled? mustn't you have shingled? mustn't she have shingled? mustn't we have shingled? mustn't you have shingled? mustn't they have shingled?	mustn't I have been shingling? mustn't you have been shingling? mustn't she have been shingling? mustn't we have been shingling? mustn't you have been shingling? mustn't they have been shingling?