could calendar
Verbe régulier : calendar - calendared- calendared
Traduction française : inscrire sur le calendrier (US) - noter (dans son agenda) 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could calendar
you could calendar
she could calendar
we could calendar
you could calendar
they could calendar 	I could be calendaring
you could be calendaring
she could be calendaring
we could be calendaring
you could be calendaring
they could be calendaring	I could have calendared
you could have calendared
she could have calendared
we could have calendared
you could have calendared
they could have calendared	I could have been calendaring
you could have been calendaring
she could have been calendaring
we could have been calendaring
you could have been calendaring
they could have been calendaring	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't calendar
you couldn't calendar
she couldn't calendar
we couldn't calendar
you couldn't calendar
they couldn't calendar 	I couldn't be calendaring
you couldn't be calendaring
she couldn't be calendaring
we couldn't be calendaring
you couldn't be calendaring
they couldn't be calendaring	I couldn't have calendared
you couldn't have calendared
she couldn't have calendared
we couldn't have calendared
you couldn't have calendared
they couldn't have calendared	I couldn't have been calendaring
you couldn't have been calendaring
she couldn't have been calendaring
we couldn't have been calendaring
you couldn't have been calendaring
they couldn't have been calendaring	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I calendar?
could you calendar?
could she calendar?
could we calendar?
could you calendar?
could they calendar? 	could I be calendaring?
could you be calendaring?
could she be calendaring?
could we be calendaring?
could you be calendaring?
could they be calendaring? 	could I have calendared?
could you have calendared?
could she have calendared?
could we have calendared?
could you have calendared?
could they have calendared? 	could I have been calendaring?
could you have been calendaring?
could she have been calendaring?
could we have been calendaring?
could you have been calendaring?
could they have been calendaring? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I calendar?
couldn't you calendar?
couldn't she calendar?
couldn't we calendar?
couldn't you calendar?
couldn't they calendar? 	couldn't I be calendaring?
couldn't you be calendaring?
couldn't she be calendaring?
couldn't we be calendaring?
couldn't you be calendaring?
couldn't they be calendaring? 	couldn't I have calendared?
couldn't you have calendared?
couldn't she have calendared?
couldn't we have calendared?
couldn't you have calendared?
couldn't they have calendared? 	couldn't I have been calendaring?
couldn't you have been calendaring?
couldn't she have been calendaring?
couldn't we have been calendaring?
couldn't you have been calendaring?
couldn't they have been calendaring?