English verb conjugation
MUST SLEIGH

Regular verb: sleigh - sleighed - sleighed

Affirmation

Simple form	V-ing form
I must sleigh you must sleigh he must sleigh we must sleigh you must sleigh they must sleigh	I must be sleighing you must be sleighing he must be sleighing we must be sleighing you must be sleighing they must be sleighing
Perfect	V-ing perfect
I must have sleighed you must have sleighed he must have sleighed we must have sleighed you must have sleighed they must have sleighed	I must have been sleighing you must have been sleighing he must have been sleighing we must have been sleighing you must have been sleighing they must have been sleighing

Negation

Simple form	V-ing form
I must not sleigh you must not sleigh he must not sleigh we must not sleigh you must not sleigh they must not sleigh	I must not be sleighing you must not be sleighing he must not be sleighing we must not be sleighing you must not be sleighing they must not be sleighing
Perfect	V-ing perfect
I must not have sleighed you must not have sleighed he must not have sleighed we must not have sleighed you must not have sleighed they must not have sleighed	I must not have been sleighing you must not have been sleighing he must not have been sleighing we must not have been sleighing you must not have been sleighing they must not have been sleighing

Interrogative form

Simple form	V-ing form
must I sleigh? must you sleigh? must he sleigh? must we sleigh? must you sleigh? must they sleigh?	must I be sleighing? must you be sleighing? must he be sleighing? must we be sleighing? must you be sleighing? must they be sleighing?
Perfect	V-ing perfect
must I have sleighed? must you have sleighed? must he have sleighed? must we have sleighed? must you have sleighed? must they have sleighed?	must I have been sleighing? must you have been sleighing? must he have been sleighing? must we have been sleighing? must you have been sleighing? must they have been sleighing?

Interro-negative form

Simple form	V-ing form
must I not sleigh? must you not sleigh? must he not sleigh? must we not sleigh? must you not sleigh? must they not sleigh?	must I not be sleighing? must you not be sleighing? must he not be sleighing? must we not be sleighing? must you not be sleighing? must they not be sleighing?
Perfect	V-ing perfect
must I not have sleighed? must you not have sleighed? must he not have sleighed? must we not have sleighed? must you not have sleighed? must they not have sleighed?	must I not have been sleighing? must you not have been sleighing? must he not have been sleighing? must we not have been sleighing? must you not have been sleighing? must they not have been sleighing?