must caseate
Verbe régulier : caseate - caseated- caseated

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must caseate
you must caseate
she must caseate
we must caseate
you must caseate
they must caseate 	I must be caseating
you must be caseating
she must be caseating
we must be caseating
you must be caseating
they must be caseating	I must have caseated
you must have caseated
she must have caseated
we must have caseated
you must have caseated
they must have caseated	I must have been caseating
you must have been caseating
she must have been caseating
we must have been caseating
you must have been caseating
they must have been caseating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't caseate
you mustn't caseate
she mustn't caseate
we mustn't caseate
you mustn't caseate
they mustn't caseate 	I mustn't be caseating
you mustn't be caseating
she mustn't be caseating
we mustn't be caseating
you mustn't be caseating
they mustn't be caseating	I mustn't have caseated
you mustn't have caseated
she mustn't have caseated
we mustn't have caseated
you mustn't have caseated
they mustn't have caseated	I mustn't have been caseating
you mustn't have been caseating
she mustn't have been caseating
we mustn't have been caseating
you mustn't have been caseating
they mustn't have been caseating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I caseate?
must you caseate?
must she caseate?
must we caseate?
must you caseate?
must they caseate? 	must I be caseating?
must you be caseating?
must she be caseating?
must we be caseating?
must you be caseating?
must they be caseating? 	must I have caseated?
must you have caseated?
must she have caseated?
must we have caseated?
must you have caseated?
must they have caseated? 	must I have been caseating?
must you have been caseating?
must she have been caseating?
must we have been caseating?
must you have been caseating?
must they have been caseating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I caseate?
mustn't you caseate?
mustn't she caseate?
mustn't we caseate?
mustn't you caseate?
mustn't they caseate? 	mustn't I be caseating?
mustn't you be caseating?
mustn't she be caseating?
mustn't we be caseating?
mustn't you be caseating?
mustn't they be caseating? 	mustn't I have caseated?
mustn't you have caseated?
mustn't she have caseated?
mustn't we have caseated?
mustn't you have caseated?
mustn't they have caseated? 	mustn't I have been caseating?
mustn't you have been caseating?
mustn't she have been caseating?
mustn't we have been caseating?
mustn't you have been caseating?
mustn't they have been caseating?