English verb conjugation
MUST WINTERKILL

Regular verb: winterkill - winterkilled - winterkilled

Affirmation

Simple form	V-ing form
I must winterkill you must winterkill he must winterkill we must winterkill you must winterkill they must winterkill	I must be winterkilling you must be winterkilling he must be winterkilling we must be winterkilling you must be winterkilling they must be winterkilling
Perfect	V-ing perfect
I must have winterkilled you must have winterkilled he must have winterkilled we must have winterkilled you must have winterkilled they must have winterkilled	I must have been winterkilling you must have been winterkilling he must have been winterkilling we must have been winterkilling you must have been winterkilling they must have been winterkilling

Negation

Simple form	V-ing form
I must not winterkill you must not winterkill he must not winterkill we must not winterkill you must not winterkill they must not winterkill	I must not be winterkilling you must not be winterkilling he must not be winterkilling we must not be winterkilling you must not be winterkilling they must not be winterkilling
Perfect	V-ing perfect
I must not have winterkilled you must not have winterkilled he must not have winterkilled we must not have winterkilled you must not have winterkilled they must not have winterkilled	I must not have been winterkilling you must not have been winterkilling he must not have been winterkilling we must not have been winterkilling you must not have been winterkilling they must not have been winterkilling

Interrogative form

Simple form	V-ing form
must I winterkill? must you winterkill? must he winterkill? must we winterkill? must you winterkill? must they winterkill?	must I be winterkilling? must you be winterkilling? must he be winterkilling? must we be winterkilling? must you be winterkilling? must they be winterkilling?
Perfect	V-ing perfect
must I have winterkilled? must you have winterkilled? must he have winterkilled? must we have winterkilled? must you have winterkilled? must they have winterkilled?	must I have been winterkilling? must you have been winterkilling? must he have been winterkilling? must we have been winterkilling? must you have been winterkilling? must they have been winterkilling?

Interro-negative form

Simple form	V-ing form
must I not winterkill? must you not winterkill? must he not winterkill? must we not winterkill? must you not winterkill? must they not winterkill?	must I not be winterkilling? must you not be winterkilling? must he not be winterkilling? must we not be winterkilling? must you not be winterkilling? must they not be winterkilling?
Perfect	V-ing perfect
must I not have winterkilled? must you not have winterkilled? must he not have winterkilled? must we not have winterkilled? must you not have winterkilled? must they not have winterkilled?	must I not have been winterkilling? must you not have been winterkilling? must he not have been winterkilling? must we not have been winterkilling? must you not have been winterkilling? must they not have been winterkilling?