must examine
Regular verb: examine - examined- examined

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must examine
you must examine
she must examine
we must examine
you must examine
they must examine 	I must be examining
you must be examining
she must be examining
we must be examining
you must be examining
they must be examining	I must have examined
you must have examined
she 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
she must have been examining
we must have been examining
you must have been examining
they must have been examining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not examine
you must not examine
she 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
she 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
she 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
she must not have been examining
we must not have been examining
you must not have been examining
they must not have been examining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I examine?
must you examine?
must she examine?
must we examine?
must you examine?
must they examine? 	must I be examining?
must you be examining?
must she be examining?
must we be examining?
must you be examining?
must they be examining? 	must I have examined?
must you have examined?
must she 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 she have been examining?
must we have been examining?
must you have been examining?
must they have been examining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not examine?
must you not examine?
must she 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 she 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 she 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 she not have been examining?
must we not have been examining?
must you not have been examining?
must they not have been examining?