may gratulate
Verbe régulier : gratulate - gratulated- gratulated

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may gratulate
you may gratulate
she may gratulate
we may gratulate
you may gratulate
they may gratulate 	I may be gratulating
you may be gratulating
she may be gratulating
we may be gratulating
you may be gratulating
they may be gratulating	I may have gratulated
you may have gratulated
she may have gratulated
we may have gratulated
you may have gratulated
they may have gratulated	I may have been gratulating
you may have been gratulating
she may have been gratulating
we may have been gratulating
you may have been gratulating
they may have been gratulating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may not gratulate
you may not gratulate
she may not gratulate
we may not gratulate
you may not gratulate
they may not gratulate 	I may not be gratulating
you may not be gratulating
she may not be gratulating
we may not be gratulating
you may not be gratulating
they may not be gratulating	I may not have gratulated
you may not have gratulated
she may not have gratulated
we may not have gratulated
you may not have gratulated
they may not have gratulated	I may not have been gratulating
you may not have been gratulating
she may not have been gratulating
we may not have been gratulating
you may not have been gratulating
they may not have been gratulating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I gratulate?
may you gratulate?
may she gratulate?
may we gratulate?
may you gratulate?
may they gratulate? 	may I be gratulating?
may you be gratulating?
may she be gratulating?
may we be gratulating?
may you be gratulating?
may they be gratulating? 	may I have gratulated?
may you have gratulated?
may she have gratulated?
may we have gratulated?
may you have gratulated?
may they have gratulated? 	may I have been gratulating?
may you have been gratulating?
may she have been gratulating?
may we have been gratulating?
may you have been gratulating?
may they have been gratulating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I not gratulate?
may you not gratulate?
may she not gratulate?
may we not gratulate?
may you not gratulate?
may they not gratulate? 	may I not be gratulating?
may you not be gratulating?
may she not be gratulating?
may we not be gratulating?
may you not be gratulating?
may they not be gratulating? 	may I not have gratulated?
may you not have gratulated?
may she not have gratulated?
may we not have gratulated?
may you not have gratulated?
may they not have gratulated? 	may I not have been gratulating?
may you not have been gratulating?
may she not have been gratulating?
may we not have been gratulating?
may you not have been gratulating?
may they not have been gratulating?