English verb conjugation
MUST GAINSAY

Irregular verb: gainsay - gainsaid - gainsaid

Affirmation

Simple form	V-ing form
I must gainsay you must gainsay he must gainsay we must gainsay you must gainsay they must gainsay	I must be gainsaying you must be gainsaying he must be gainsaying we must be gainsaying you must be gainsaying they must be gainsaying
Perfect	V-ing perfect
I must have gainsaid you must have gainsaid he must have gainsaid we must have gainsaid you must have gainsaid they must have gainsaid	I must have been gainsaying you must have been gainsaying he must have been gainsaying we must have been gainsaying you must have been gainsaying they must have been gainsaying

Negation

Simple form	V-ing form
I must not gainsay you must not gainsay he must not gainsay we must not gainsay you must not gainsay they must not gainsay	I must not be gainsaying you must not be gainsaying he must not be gainsaying we must not be gainsaying you must not be gainsaying they must not be gainsaying
Perfect	V-ing perfect
I must not have gainsaid you must not have gainsaid he must not have gainsaid we must not have gainsaid you must not have gainsaid they must not have gainsaid	I must not have been gainsaying you must not have been gainsaying he must not have been gainsaying we must not have been gainsaying you must not have been gainsaying they must not have been gainsaying

Interrogative form

Simple form	V-ing form
must I gainsay? must you gainsay? must he gainsay? must we gainsay? must you gainsay? must they gainsay?	must I be gainsaying? must you be gainsaying? must he be gainsaying? must we be gainsaying? must you be gainsaying? must they be gainsaying?
Perfect	V-ing perfect
must I have gainsaid? must you have gainsaid? must he have gainsaid? must we have gainsaid? must you have gainsaid? must they have gainsaid?	must I have been gainsaying? must you have been gainsaying? must he have been gainsaying? must we have been gainsaying? must you have been gainsaying? must they have been gainsaying?

Interro-negative form

Simple form	V-ing form
must I not gainsay? must you not gainsay? must he not gainsay? must we not gainsay? must you not gainsay? must they not gainsay?	must I not be gainsaying? must you not be gainsaying? must he not be gainsaying? must we not be gainsaying? must you not be gainsaying? must they not be gainsaying?
Perfect	V-ing perfect
must I not have gainsaid? must you not have gainsaid? must he not have gainsaid? must we not have gainsaid? must you not have gainsaid? must they not have gainsaid?	must I not have been gainsaying? must you not have been gainsaying? must he not have been gainsaying? must we not have been gainsaying? must you not have been gainsaying? must they not have been gainsaying?