must pretest
Verbe régulier : pretest - pretested- pretested

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must pretest
you must pretest
she must pretest
we must pretest
you must pretest
they must pretest 	I must be pretesting
you must be pretesting
she must be pretesting
we must be pretesting
you must be pretesting
they must be pretesting	I must have pretested
you must have pretested
she must have pretested
we must have pretested
you must have pretested
they must have pretested	I must have been pretesting
you must have been pretesting
she must have been pretesting
we must have been pretesting
you must have been pretesting
they must have been pretesting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't pretest
you mustn't pretest
she mustn't pretest
we mustn't pretest
you mustn't pretest
they mustn't pretest 	I mustn't be pretesting
you mustn't be pretesting
she mustn't be pretesting
we mustn't be pretesting
you mustn't be pretesting
they mustn't be pretesting	I mustn't have pretested
you mustn't have pretested
she mustn't have pretested
we mustn't have pretested
you mustn't have pretested
they mustn't have pretested	I mustn't have been pretesting
you mustn't have been pretesting
she mustn't have been pretesting
we mustn't have been pretesting
you mustn't have been pretesting
they mustn't have been pretesting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I pretest?
must you pretest?
must she pretest?
must we pretest?
must you pretest?
must they pretest? 	must I be pretesting?
must you be pretesting?
must she be pretesting?
must we be pretesting?
must you be pretesting?
must they be pretesting? 	must I have pretested?
must you have pretested?
must she have pretested?
must we have pretested?
must you have pretested?
must they have pretested? 	must I have been pretesting?
must you have been pretesting?
must she have been pretesting?
must we have been pretesting?
must you have been pretesting?
must they have been pretesting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I pretest?
mustn't you pretest?
mustn't she pretest?
mustn't we pretest?
mustn't you pretest?
mustn't they pretest? 	mustn't I be pretesting?
mustn't you be pretesting?
mustn't she be pretesting?
mustn't we be pretesting?
mustn't you be pretesting?
mustn't they be pretesting? 	mustn't I have pretested?
mustn't you have pretested?
mustn't she have pretested?
mustn't we have pretested?
mustn't you have pretested?
mustn't they have pretested? 	mustn't I have been pretesting?
mustn't you have been pretesting?
mustn't she have been pretesting?
mustn't we have been pretesting?
mustn't you have been pretesting?
mustn't they have been pretesting?