may retrospect
Verbe régulier : retrospect - retrospected- retrospected

Affirmation 	
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I may retrospect
you may retrospect
he may retrospect
we may retrospect
you may retrospect
they may retrospect 	I may be retrospecting
you may be retrospecting
he may be retrospecting
we may be retrospecting
you may be retrospecting
they may be retrospecting	I may have retrospected
you may have retrospected
he may have retrospected
we may have retrospected
you may have retrospected
they may have retrospected	I may have been retrospecting
you may have been retrospecting
he may have been retrospecting
we may have been retrospecting
you may have been retrospecting
they may have been retrospecting	

Négation 	
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I mayn't retrospect
you mayn't retrospect
he mayn't retrospect
we mayn't retrospect
you mayn't retrospect
they mayn't retrospect 	I mayn't be retrospecting
you mayn't be retrospecting
he mayn't be retrospecting
we mayn't be retrospecting
you mayn't be retrospecting
they mayn't be retrospecting	I mayn't have retrospected
you mayn't have retrospected
he mayn't have retrospected
we mayn't have retrospected
you mayn't have retrospected
they mayn't have retrospected	I mayn't have been retrospecting
you mayn't have been retrospecting
he mayn't have been retrospecting
we mayn't have been retrospecting
you mayn't have been retrospecting
they mayn't have been retrospecting	

Forme interrogative 	
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may I retrospect?
may you retrospect?
may he retrospect?
may we retrospect?
may you retrospect?
may they retrospect? 	may I be retrospecting?
may you be retrospecting?
may he be retrospecting?
may we be retrospecting?
may you be retrospecting?
may they be retrospecting? 	may I have retrospected?
may you have retrospected?
may he have retrospected?
may we have retrospected?
may you have retrospected?
may they have retrospected? 	may I have been retrospecting?
may you have been retrospecting?
may he have been retrospecting?
may we have been retrospecting?
may you have been retrospecting?
may they have been retrospecting? 	

Forme interro-négative 	
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mayn't I retrospect?
mayn't you retrospect?
mayn't he retrospect?
mayn't we retrospect?
mayn't you retrospect?
mayn't they retrospect? 	mayn't I be retrospecting?
mayn't you be retrospecting?
mayn't he be retrospecting?
mayn't we be retrospecting?
mayn't you be retrospecting?
mayn't they be retrospecting? 	mayn't I have retrospected?
mayn't you have retrospected?
mayn't he have retrospected?
mayn't we have retrospected?
mayn't you have retrospected?
mayn't they have retrospected? 	mayn't I have been retrospecting?
mayn't you have been retrospecting?
mayn't he have been retrospecting?
mayn't we have been retrospecting?
mayn't you have been retrospecting?
mayn't they have been retrospecting?