must apperceive
Verbe régulier : apperceive - apperceived- apperceived

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must apperceive
you must apperceive
she must apperceive
we must apperceive
you must apperceive
they must apperceive 	I must be apperceiving
you must be apperceiving
she must be apperceiving
we must be apperceiving
you must be apperceiving
they must be apperceiving	I must have apperceived
you must have apperceived
she must have apperceived
we must have apperceived
you must have apperceived
they must have apperceived	I must have been apperceiving
you must have been apperceiving
she must have been apperceiving
we must have been apperceiving
you must have been apperceiving
they must have been apperceiving	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't apperceive
you mustn't apperceive
she mustn't apperceive
we mustn't apperceive
you mustn't apperceive
they mustn't apperceive 	I mustn't be apperceiving
you mustn't be apperceiving
she mustn't be apperceiving
we mustn't be apperceiving
you mustn't be apperceiving
they mustn't be apperceiving	I mustn't have apperceived
you mustn't have apperceived
she mustn't have apperceived
we mustn't have apperceived
you mustn't have apperceived
they mustn't have apperceived	I mustn't have been apperceiving
you mustn't have been apperceiving
she mustn't have been apperceiving
we mustn't have been apperceiving
you mustn't have been apperceiving
they mustn't have been apperceiving	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I apperceive?
must you apperceive?
must she apperceive?
must we apperceive?
must you apperceive?
must they apperceive? 	must I be apperceiving?
must you be apperceiving?
must she be apperceiving?
must we be apperceiving?
must you be apperceiving?
must they be apperceiving? 	must I have apperceived?
must you have apperceived?
must she have apperceived?
must we have apperceived?
must you have apperceived?
must they have apperceived? 	must I have been apperceiving?
must you have been apperceiving?
must she have been apperceiving?
must we have been apperceiving?
must you have been apperceiving?
must they have been apperceiving? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I apperceive?
mustn't you apperceive?
mustn't she apperceive?
mustn't we apperceive?
mustn't you apperceive?
mustn't they apperceive? 	mustn't I be apperceiving?
mustn't you be apperceiving?
mustn't she be apperceiving?
mustn't we be apperceiving?
mustn't you be apperceiving?
mustn't they be apperceiving? 	mustn't I have apperceived?
mustn't you have apperceived?
mustn't she have apperceived?
mustn't we have apperceived?
mustn't you have apperceived?
mustn't they have apperceived? 	mustn't I have been apperceiving?
mustn't you have been apperceiving?
mustn't she have been apperceiving?
mustn't we have been apperceiving?
mustn't you have been apperceiving?
mustn't they have been apperceiving?