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 mustn't uncoil you mustn't uncoil he mustn't uncoil we mustn't uncoil you mustn't uncoil they mustn't uncoil	I mustn't be uncoiling you mustn't be uncoiling he mustn't be uncoiling we mustn't be uncoiling you mustn't be uncoiling they mustn't be uncoiling
Perfect	V-ing perfect
I mustn't have uncoiled you mustn't have uncoiled he mustn't have uncoiled we mustn't have uncoiled you mustn't have uncoiled they mustn't have uncoiled	I mustn't have been uncoiling you mustn't have been uncoiling he mustn't have been uncoiling we mustn't have been uncoiling you mustn't have been uncoiling they mustn't 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
mustn't I uncoil? mustn't you uncoil? mustn't he uncoil? mustn't we uncoil? mustn't you uncoil? mustn't they uncoil?	mustn't I be uncoiling? mustn't you be uncoiling? mustn't he be uncoiling? mustn't we be uncoiling? mustn't you be uncoiling? mustn't they be uncoiling?
Perfect	V-ing perfect
mustn't I have uncoiled? mustn't you have uncoiled? mustn't he have uncoiled? mustn't we have uncoiled? mustn't you have uncoiled? mustn't they have uncoiled?	mustn't I have been uncoiling? mustn't you have been uncoiling? mustn't he have been uncoiling? mustn't we have been uncoiling? mustn't you have been uncoiling? mustn't they have been uncoiling?