English verb conjugation
MUST UNCOIL

Regular verb: uncoil - uncoiled - uncoiled

Affirmation

Simple form	V-ing form
I must uncoil you must uncoil he must uncoil we must uncoil you must uncoil they must uncoil	I must be uncoiling you must be uncoiling he must be uncoiling we must be uncoiling you must be uncoiling they must be uncoiling
Perfect	V-ing perfect
I must have uncoiled you must have uncoiled he must have uncoiled we must have uncoiled you must have uncoiled they must have uncoiled	I must have been uncoiling you must have been uncoiling he must have been uncoiling we must have been uncoiling you must have been uncoiling they must have been uncoiling

Negation

Simple form	V-ing form
I must not uncoil you must not uncoil he must not uncoil we must not uncoil you must not uncoil they must not uncoil	I must not be uncoiling you must not be uncoiling he must not be uncoiling we must not be uncoiling you must not be uncoiling they must not be uncoiling
Perfect	V-ing perfect
I must not have uncoiled you must not have uncoiled he must not have uncoiled we must not have uncoiled you must not have uncoiled they must not have uncoiled	I must not have been uncoiling you must not have been uncoiling he must not have been uncoiling we must not have been uncoiling you must not have been uncoiling they must not have been uncoiling

Interrogative form

Simple form	V-ing form
must I uncoil? must you uncoil? must he uncoil? must we uncoil? must you uncoil? must they uncoil?	must I be uncoiling? must you be uncoiling? must he be uncoiling? must we be uncoiling? must you be uncoiling? must they be uncoiling?
Perfect	V-ing perfect
must I have uncoiled? must you have uncoiled? must he have uncoiled? must we have uncoiled? must you have uncoiled? must they have uncoiled?	must I have been uncoiling? must you have been uncoiling? must he have been uncoiling? must we have been uncoiling? must you have been uncoiling? must they have been uncoiling?

Interro-negative form

Simple form	V-ing form
must I not uncoil? must you not uncoil? must he not uncoil? must we not uncoil? must you not uncoil? must they not uncoil?	must I not be uncoiling? must you not be uncoiling? must he not be uncoiling? must we not be uncoiling? must you not be uncoiling? must they not be uncoiling?
Perfect	V-ing perfect
must I not have uncoiled? must you not have uncoiled? must he not have uncoiled? must we not have uncoiled? must you not have uncoiled? must they not have uncoiled?	must I not have been uncoiling? must you not have been uncoiling? must he not have been uncoiling? must we not have been uncoiling? must you not have been uncoiling? must they not have been uncoiling?