must examine
Verbo regular: examine - examined- examined

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must examine
you must examine
he must examine
we must examine
you must examine
they must examine 	I must be examining
you must be examining
he must be examining
we must be examining
you must be examining
they must be examining	I must have examined
you must have examined
he must have examined
we must have examined
you must have examined
they must have examined	I must have been examining
you must have been examining
he must have been examining
we must have been examining
you must have been examining
they must have been examining	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not examine
you must not examine
he must not examine
we must not examine
you must not examine
they must not examine 	I must not be examining
you must not be examining
he must not be examining
we must not be examining
you must not be examining
they must not be examining	I must not have examined
you must not have examined
he must not have examined
we must not have examined
you must not have examined
they must not have examined	I must not have been examining
you must not have been examining
he must not have been examining
we must not have been examining
you must not have been examining
they must not have been examining	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I examine?
must you examine?
must he examine?
must we examine?
must you examine?
must they examine? 	must I be examining?
must you be examining?
must he be examining?
must we be examining?
must you be examining?
must they be examining? 	must I have examined?
must you have examined?
must he have examined?
must we have examined?
must you have examined?
must they have examined? 	must I have been examining?
must you have been examining?
must he have been examining?
must we have been examining?
must you have been examining?
must they have been examining? 	

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