may counterbid
Verbe irrégulier : counterbid - counterbid- counterbid

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may counterbid
you may counterbid
he may counterbid
we may counterbid
you may counterbid
they may counterbid 	I may be counterbiding
you may be counterbiding
he may be counterbiding
we may be counterbiding
you may be counterbiding
they may be counterbiding	I may have counterbid
you may have counterbid
he may have counterbid
we may have counterbid
you may have counterbid
they may have counterbid	I may have been counterbiding
you may have been counterbiding
he may have been counterbiding
we may have been counterbiding
you may have been counterbiding
they may have been counterbiding	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mayn't counterbid
you mayn't counterbid
he mayn't counterbid
we mayn't counterbid
you mayn't counterbid
they mayn't counterbid 	I mayn't be counterbiding
you mayn't be counterbiding
he mayn't be counterbiding
we mayn't be counterbiding
you mayn't be counterbiding
they mayn't be counterbiding	I mayn't have counterbid
you mayn't have counterbid
he mayn't have counterbid
we mayn't have counterbid
you mayn't have counterbid
they mayn't have counterbid	I mayn't have been counterbiding
you mayn't have been counterbiding
he mayn't have been counterbiding
we mayn't have been counterbiding
you mayn't have been counterbiding
they mayn't have been counterbiding	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I counterbid?
may you counterbid?
may he counterbid?
may we counterbid?
may you counterbid?
may they counterbid? 	may I be counterbiding?
may you be counterbiding?
may he be counterbiding?
may we be counterbiding?
may you be counterbiding?
may they be counterbiding? 	may I have counterbid?
may you have counterbid?
may he have counterbid?
may we have counterbid?
may you have counterbid?
may they have counterbid? 	may I have been counterbiding?
may you have been counterbiding?
may he have been counterbiding?
may we have been counterbiding?
may you have been counterbiding?
may they have been counterbiding? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mayn't I counterbid?
mayn't you counterbid?
mayn't he counterbid?
mayn't we counterbid?
mayn't you counterbid?
mayn't they counterbid? 	mayn't I be counterbiding?
mayn't you be counterbiding?
mayn't he be counterbiding?
mayn't we be counterbiding?
mayn't you be counterbiding?
mayn't they be counterbiding? 	mayn't I have counterbid?
mayn't you have counterbid?
mayn't he have counterbid?
mayn't we have counterbid?
mayn't you have counterbid?
mayn't they have counterbid? 	mayn't I have been counterbiding?
mayn't you have been counterbiding?
mayn't he have been counterbiding?
mayn't we have been counterbiding?
mayn't you have been counterbiding?
mayn't they have been counterbiding?