English verb conjugation
MUST QUOIN

Regular verb: quoin - quoined - quoined

Affirmation

Simple form	V-ing form
I must quoin you must quoin he must quoin we must quoin you must quoin they must quoin	I must be quoining you must be quoining he must be quoining we must be quoining you must be quoining they must be quoining
Perfect	V-ing perfect
I must have quoined you must have quoined he must have quoined we must have quoined you must have quoined they must have quoined	I must have been quoining you must have been quoining he must have been quoining we must have been quoining you must have been quoining they must have been quoining

Negation

Simple form	V-ing form
I must not quoin you must not quoin he must not quoin we must not quoin you must not quoin they must not quoin	I must not be quoining you must not be quoining he must not be quoining we must not be quoining you must not be quoining they must not be quoining
Perfect	V-ing perfect
I must not have quoined you must not have quoined he must not have quoined we must not have quoined you must not have quoined they must not have quoined	I must not have been quoining you must not have been quoining he must not have been quoining we must not have been quoining you must not have been quoining they must not have been quoining

Interrogative form

Simple form	V-ing form
must I quoin? must you quoin? must he quoin? must we quoin? must you quoin? must they quoin?	must I be quoining? must you be quoining? must he be quoining? must we be quoining? must you be quoining? must they be quoining?
Perfect	V-ing perfect
must I have quoined? must you have quoined? must he have quoined? must we have quoined? must you have quoined? must they have quoined?	must I have been quoining? must you have been quoining? must he have been quoining? must we have been quoining? must you have been quoining? must they have been quoining?

Interro-negative form

Simple form	V-ing form
must I not quoin? must you not quoin? must he not quoin? must we not quoin? must you not quoin? must they not quoin?	must I not be quoining? must you not be quoining? must he not be quoining? must we not be quoining? must you not be quoining? must they not be quoining?
Perfect	V-ing perfect
must I not have quoined? must you not have quoined? must he not have quoined? must we not have quoined? must you not have quoined? must they not have quoined?	must I not have been quoining? must you not have been quoining? must he not have been quoining? must we not have been quoining? must you not have been quoining? must they not have been quoining?