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 must not jigsaw you must not jigsaw he must not jigsaw we must not jigsaw you must not jigsaw they must not jigsaw	I must not be jigsawing you must not be jigsawing he must not be jigsawing we must not be jigsawing you must not be jigsawing they must not be jigsawing
Perfect	V-ing perfect
I must not have jigsawed you must not have jigsawed he must not have jigsawed we must not have jigsawed you must not have jigsawed they must not have jigsawed	I must not have been jigsawing you must not have been jigsawing he must not have been jigsawing we must not have been jigsawing you must not have been jigsawing they must not 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
must I not jigsaw? must you not jigsaw? must he not jigsaw? must we not jigsaw? must you not jigsaw? must they not jigsaw?	must I not be jigsawing? must you not be jigsawing? must he not be jigsawing? must we not be jigsawing? must you not be jigsawing? must they not be jigsawing?
Perfect	V-ing perfect
must I not have jigsawed? must you not have jigsawed? must he not have jigsawed? must we not have jigsawed? must you not have jigsawed? must they not have jigsawed?	must I not have been jigsawing? must you not have been jigsawing? must he not have been jigsawing? must we not have been jigsawing? must you not have been jigsawing? must they not have been jigsawing?