must uncoil
Regular verb: uncoil - uncoiled- uncoiled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?