must shingle
Verbo regular: shingle - shingled- shingled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must shingle
you must shingle
he must shingle
we must shingle
you must shingle
they must shingle 	I must be shingling
you must be shingling
he must be shingling
we must be shingling
you must be shingling
they must be shingling	I must have shingled
you must have shingled
he must have shingled
we must have shingled
you must have shingled
they must have shingled	I must have been shingling
you must have been shingling
he must have been shingling
we must have been shingling
you must have been shingling
they must have been shingling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not shingle
you must not shingle
he must not shingle
we must not shingle
you must not shingle
they must not shingle 	I must not be shingling
you must not be shingling
he must not be shingling
we must not be shingling
you must not be shingling
they must not be shingling	I must not have shingled
you must not have shingled
he must not have shingled
we must not have shingled
you must not have shingled
they must not have shingled	I must not have been shingling
you must not have been shingling
he must not have been shingling
we must not have been shingling
you must not have been shingling
they must not have been shingling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I shingle?
must you shingle?
must he shingle?
must we shingle?
must you shingle?
must they shingle? 	must I be shingling?
must you be shingling?
must he be shingling?
must we be shingling?
must you be shingling?
must they be shingling? 	must I have shingled?
must you have shingled?
must he have shingled?
must we have shingled?
must you have shingled?
must they have shingled? 	must I have been shingling?
must you have been shingling?
must he have been shingling?
must we have been shingling?
must you have been shingling?
must they have been shingling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not shingle?
must you not shingle?
must he not shingle?
must we not shingle?
must you not shingle?
must they not shingle? 	must I not be shingling?
must you not be shingling?
must he not be shingling?
must we not be shingling?
must you not be shingling?
must they not be shingling? 	must I not have shingled?
must you not have shingled?
must he not have shingled?
must we not have shingled?
must you not have shingled?
must they not have shingled? 	must I not have been shingling?
must you not have been shingling?
must he not have been shingling?
must we not have been shingling?
must you not have been shingling?
must they not have been shingling?