must coil
Verbo regular: coil - coiled- coiled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must coil
you must coil
he must coil
we must coil
you must coil
they must coil 	I must be coiling
you must be coiling
he must be coiling
we must be coiling
you must be coiling
they must be coiling	I must have coiled
you must have coiled
he must have coiled
we must have coiled
you must have coiled
they must have coiled	I must have been coiling
you must have been coiling
he must have been coiling
we must have been coiling
you must have been coiling
they must have been coiling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not coil
you must not coil
he must not coil
we must not coil
you must not coil
they must not coil 	I must not be coiling
you must not be coiling
he must not be coiling
we must not be coiling
you must not be coiling
they must not be coiling	I must not have coiled
you must not have coiled
he must not have coiled
we must not have coiled
you must not have coiled
they must not have coiled	I must not have been coiling
you must not have been coiling
he must not have been coiling
we must not have been coiling
you must not have been coiling
they must not have been coiling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I coil?
must you coil?
must he coil?
must we coil?
must you coil?
must they coil? 	must I be coiling?
must you be coiling?
must he be coiling?
must we be coiling?
must you be coiling?
must they be coiling? 	must I have coiled?
must you have coiled?
must he have coiled?
must we have coiled?
must you have coiled?
must they have coiled? 	must I have been coiling?
must you have been coiling?
must he have been coiling?
must we have been coiling?
must you have been coiling?
must they have been coiling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not coil?
must you not coil?
must he not coil?
must we not coil?
must you not coil?
must they not coil? 	must I not be coiling?
must you not be coiling?
must he not be coiling?
must we not be coiling?
must you not be coiling?
must they not be coiling? 	must I not have coiled?
must you not have coiled?
must he not have coiled?
must we not have coiled?
must you not have coiled?
must they not have coiled? 	must I not have been coiling?
must you not have been coiling?
must he not have been coiling?
must we not have been coiling?
must you not have been coiling?
must they not have been coiling?