I must clip-clop you must clip-clop she must clip-clop we must clip-clop you must clip-clop they must clip-clop
V-ing form
I must be clip-cloping you must be clip-cloping she must be clip-cloping we must be clip-cloping you must be clip-cloping they must be clip-cloping
Perfect
I must have clip-cloped you must have clip-cloped she must have clip-cloped we must have clip-cloped you must have clip-cloped they must have clip-cloped
V-ing perfect
I must have been clip-cloping you must have been clip-cloping she must have been clip-cloping we must have been clip-cloping you must have been clip-cloping they must have been clip-cloping
Negation
Simple form
I must not clip-clop you must not clip-clop she must not clip-clop we must not clip-clop you must not clip-clop they must not clip-clop
V-ing form
I must not be clip-cloping you must not be clip-cloping she must not be clip-cloping we must not be clip-cloping you must not be clip-cloping they must not be clip-cloping
Perfect
I must not have clip-cloped you must not have clip-cloped she must not have clip-cloped we must not have clip-cloped you must not have clip-cloped they must not have clip-cloped
V-ing perfect
I must not have been clip-cloping you must not have been clip-cloping she must not have been clip-cloping we must not have been clip-cloping you must not have been clip-cloping they must not have been clip-cloping
Interrogative form
Simple form
must I clip-clop? must you clip-clop? must she clip-clop? must we clip-clop? must you clip-clop? must they clip-clop?
V-ing form
must I be clip-cloping? must you be clip-cloping? must she be clip-cloping? must we be clip-cloping? must you be clip-cloping? must they be clip-cloping?
Perfect
must I have clip-cloped? must you have clip-cloped? must she have clip-cloped? must we have clip-cloped? must you have clip-cloped? must they have clip-cloped?
V-ing perfect
must I have been clip-cloping? must you have been clip-cloping? must she have been clip-cloping? must we have been clip-cloping? must you have been clip-cloping? must they have been clip-cloping?
Interro-negative form
Simple form
must I not clip-clop? must you not clip-clop? must she not clip-clop? must we not clip-clop? must you not clip-clop? must they not clip-clop?
V-ing form
must I not be clip-cloping? must you not be clip-cloping? must she not be clip-cloping? must we not be clip-cloping? must you not be clip-cloping? must they not be clip-cloping?
Perfect
must I not have clip-cloped? must you not have clip-cloped? must she not have clip-cloped? must we not have clip-cloped? must you not have clip-cloped? must they not have clip-cloped?
V-ing perfect
must I not have been clip-cloping? must you not have been clip-cloping? must she not have been clip-cloping? must we not have been clip-cloping? must you not have been clip-cloping? must they not have been clip-cloping?