can gratulate
Verbe régulier : gratulate - gratulated- gratulated

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

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can't gratulate
you can't gratulate
he can't gratulate
we can't gratulate
you can't gratulate
they can't gratulate 	I can't be gratulating
you can't be gratulating
he can't be gratulating
we can't be gratulating
you can't be gratulating
they can't be gratulating	I can't have gratulated
you can't have gratulated
he can't have gratulated
we can't have gratulated
you can't have gratulated
they can't have gratulated	I can't have been gratulating
you can't have been gratulating
he can't have been gratulating
we can't have been gratulating
you can't have been gratulating
they can't have been gratulating	

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

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can't I gratulate?
can't you gratulate?
can't he gratulate?
can't we gratulate?
can't you gratulate?
can't they gratulate? 	can't I be gratulating?
can't you be gratulating?
can't he be gratulating?
can't we be gratulating?
can't you be gratulating?
can't they be gratulating? 	can't I have gratulated?
can't you have gratulated?
can't he have gratulated?
can't we have gratulated?
can't you have gratulated?
can't they have gratulated? 	can't I have been gratulating?
can't you have been gratulating?
can't he have been gratulating?
can't we have been gratulating?
can't you have been gratulating?
can't they have been gratulating?