English verb conjugation
MUST PICNIC

Regular verb: picnic - picniced - picniced

Affirmation

Simple form	V-ing form
I must picnic you must picnic she must picnic we must picnic you must picnic they must picnic	I must be picnicing you must be picnicing she must be picnicing we must be picnicing you must be picnicing they must be picnicing
Perfect	V-ing perfect
I must have picniced you must have picniced she must have picniced we must have picniced you must have picniced they must have picniced	I must have been picnicing you must have been picnicing she must have been picnicing we must have been picnicing you must have been picnicing they must have been picnicing

Negation

Simple form	V-ing form
I must not picnic you must not picnic she must not picnic we must not picnic you must not picnic they must not picnic	I must not be picnicing you must not be picnicing she must not be picnicing we must not be picnicing you must not be picnicing they must not be picnicing
Perfect	V-ing perfect
I must not have picniced you must not have picniced she must not have picniced we must not have picniced you must not have picniced they must not have picniced	I must not have been picnicing you must not have been picnicing she must not have been picnicing we must not have been picnicing you must not have been picnicing they must not have been picnicing

Interrogative form

Simple form	V-ing form
must I picnic? must you picnic? must she picnic? must we picnic? must you picnic? must they picnic?	must I be picnicing? must you be picnicing? must she be picnicing? must we be picnicing? must you be picnicing? must they be picnicing?
Perfect	V-ing perfect
must I have picniced? must you have picniced? must she have picniced? must we have picniced? must you have picniced? must they have picniced?	must I have been picnicing? must you have been picnicing? must she have been picnicing? must we have been picnicing? must you have been picnicing? must they have been picnicing?

Interro-negative form

Simple form	V-ing form
must I not picnic? must you not picnic? must she not picnic? must we not picnic? must you not picnic? must they not picnic?	must I not be picnicing? must you not be picnicing? must she not be picnicing? must we not be picnicing? must you not be picnicing? must they not be picnicing?
Perfect	V-ing perfect
must I not have picniced? must you not have picniced? must she not have picniced? must we not have picniced? must you not have picniced? must they not have picniced?	must I not have been picnicing? must you not have been picnicing? must she not have been picnicing? must we not have been picnicing? must you not have been picnicing? must they not have been picnicing?