must read
Verbo irregular: read - read- read

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must read
you must read
he must read
we must read
you must read
they must read 	I must be reading
you must be reading
he must be reading
we must be reading
you must be reading
they must be reading	I must have read
you must have read
he must have read
we must have read
you must have read
they must have read	I must have been reading
you must have been reading
he must have been reading
we must have been reading
you must have been reading
they must have been reading	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not read
you must not read
he must not read
we must not read
you must not read
they must not read 	I must not be reading
you must not be reading
he must not be reading
we must not be reading
you must not be reading
they must not be reading	I must not have read
you must not have read
he must not have read
we must not have read
you must not have read
they must not have read	I must not have been reading
you must not have been reading
he must not have been reading
we must not have been reading
you must not have been reading
they must not have been reading	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I read?
must you read?
must he read?
must we read?
must you read?
must they read? 	must I be reading?
must you be reading?
must he be reading?
must we be reading?
must you be reading?
must they be reading? 	must I have read?
must you have read?
must he have read?
must we have read?
must you have read?
must they have read? 	must I have been reading?
must you have been reading?
must he have been reading?
must we have been reading?
must you have been reading?
must they have been reading? 	

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