could retest
Verbe régulier : retest - retested- retested

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could retest
you could retest
she could retest
we could retest
you could retest
they could retest 	I could be retesting
you could be retesting
she could be retesting
we could be retesting
you could be retesting
they could be retesting	I could have retested
you could have retested
she could have retested
we could have retested
you could have retested
they could have retested	I could have been retesting
you could have been retesting
she could have been retesting
we could have been retesting
you could have been retesting
they could have been retesting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't retest
you couldn't retest
she couldn't retest
we couldn't retest
you couldn't retest
they couldn't retest 	I couldn't be retesting
you couldn't be retesting
she couldn't be retesting
we couldn't be retesting
you couldn't be retesting
they couldn't be retesting	I couldn't have retested
you couldn't have retested
she couldn't have retested
we couldn't have retested
you couldn't have retested
they couldn't have retested	I couldn't have been retesting
you couldn't have been retesting
she couldn't have been retesting
we couldn't have been retesting
you couldn't have been retesting
they couldn't have been retesting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I retest?
could you retest?
could she retest?
could we retest?
could you retest?
could they retest? 	could I be retesting?
could you be retesting?
could she be retesting?
could we be retesting?
could you be retesting?
could they be retesting? 	could I have retested?
could you have retested?
could she have retested?
could we have retested?
could you have retested?
could they have retested? 	could I have been retesting?
could you have been retesting?
could she have been retesting?
could we have been retesting?
could you have been retesting?
could they have been retesting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I retest?
couldn't you retest?
couldn't she retest?
couldn't we retest?
couldn't you retest?
couldn't they retest? 	couldn't I be retesting?
couldn't you be retesting?
couldn't she be retesting?
couldn't we be retesting?
couldn't you be retesting?
couldn't they be retesting? 	couldn't I have retested?
couldn't you have retested?
couldn't she have retested?
couldn't we have retested?
couldn't you have retested?
couldn't they have retested? 	couldn't I have been retesting?
couldn't you have been retesting?
couldn't she have been retesting?
couldn't we have been retesting?
couldn't you have been retesting?
couldn't they have been retesting?