English verb conjugation
MUST JIGSAW

Regular verb: jigsaw - jigsawed - jigsawed

Affirmation

Simple form	V-ing form
I must jigsaw you must jigsaw he must jigsaw we must jigsaw you must jigsaw they must jigsaw	I must be jigsawing you must be jigsawing he must be jigsawing we must be jigsawing you must be jigsawing they must be jigsawing
Perfect	V-ing perfect
I must have jigsawed you must have jigsawed he must have jigsawed we must have jigsawed you must have jigsawed they must have jigsawed	I must have been jigsawing you must have been jigsawing he must have been jigsawing we must have been jigsawing you must have been jigsawing they must have been jigsawing

Negation

Simple form	V-ing form
I mustn't jigsaw you mustn't jigsaw he mustn't jigsaw we mustn't jigsaw you mustn't jigsaw they mustn't jigsaw	I mustn't be jigsawing you mustn't be jigsawing he mustn't be jigsawing we mustn't be jigsawing you mustn't be jigsawing they mustn't be jigsawing
Perfect	V-ing perfect
I mustn't have jigsawed you mustn't have jigsawed he mustn't have jigsawed we mustn't have jigsawed you mustn't have jigsawed they mustn't have jigsawed	I mustn't have been jigsawing you mustn't have been jigsawing he mustn't have been jigsawing we mustn't have been jigsawing you mustn't have been jigsawing they mustn't have been jigsawing

Interrogative form

Simple form	V-ing form
must I jigsaw? must you jigsaw? must he jigsaw? must we jigsaw? must you jigsaw? must they jigsaw?	must I be jigsawing? must you be jigsawing? must he be jigsawing? must we be jigsawing? must you be jigsawing? must they be jigsawing?
Perfect	V-ing perfect
must I have jigsawed? must you have jigsawed? must he have jigsawed? must we have jigsawed? must you have jigsawed? must they have jigsawed?	must I have been jigsawing? must you have been jigsawing? must he have been jigsawing? must we have been jigsawing? must you have been jigsawing? must they have been jigsawing?

Interro-negative form

Simple form	V-ing form
mustn't I jigsaw? mustn't you jigsaw? mustn't he jigsaw? mustn't we jigsaw? mustn't you jigsaw? mustn't they jigsaw?	mustn't I be jigsawing? mustn't you be jigsawing? mustn't he be jigsawing? mustn't we be jigsawing? mustn't you be jigsawing? mustn't they be jigsawing?
Perfect	V-ing perfect
mustn't I have jigsawed? mustn't you have jigsawed? mustn't he have jigsawed? mustn't we have jigsawed? mustn't you have jigsawed? mustn't they have jigsawed?	mustn't I have been jigsawing? mustn't you have been jigsawing? mustn't he have been jigsawing? mustn't we have been jigsawing? mustn't you have been jigsawing? mustn't they have been jigsawing?