could gratulate
Verbo regolare: gratulate - gratulated- gratulated

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could gratulate
you could gratulate
she could gratulate
we could gratulate
you could gratulate
they could gratulate 	I could be gratulating
you could be gratulating
she could be gratulating
we could be gratulating
you could be gratulating
they could be gratulating	I could have gratulated
you could have gratulated
she could have gratulated
we could have gratulated
you could have gratulated
they could have gratulated	I could have been gratulating
you could have been gratulating
she could have been gratulating
we could have been gratulating
you could have been gratulating
they could have been gratulating	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not gratulate
you could not gratulate
she could not gratulate
we could not gratulate
you could not gratulate
they could not gratulate 	I could not be gratulating
you could not be gratulating
she could not be gratulating
we could not be gratulating
you could not be gratulating
they could not be gratulating	I could not have gratulated
you could not have gratulated
she could not have gratulated
we could not have gratulated
you could not have gratulated
they could not have gratulated	I could not have been gratulating
you could not have been gratulating
she could not have been gratulating
we could not have been gratulating
you could not have been gratulating
they could not have been gratulating	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I gratulate?
could you gratulate?
could she gratulate?
could we gratulate?
could you gratulate?
could they gratulate? 	could I be gratulating?
could you be gratulating?
could she be gratulating?
could we be gratulating?
could you be gratulating?
could they be gratulating? 	could I have gratulated?
could you have gratulated?
could she have gratulated?
could we have gratulated?
could you have gratulated?
could they have gratulated? 	could I have been gratulating?
could you have been gratulating?
could she have been gratulating?
could we have been gratulating?
could you have been gratulating?
could they have been gratulating? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not gratulate?
could you not gratulate?
could she not gratulate?
could we not gratulate?
could you not gratulate?
could they not gratulate? 	could I not be gratulating?
could you not be gratulating?
could she not be gratulating?
could we not be gratulating?
could you not be gratulating?
could they not be gratulating? 	could I not have gratulated?
could you not have gratulated?
could she not have gratulated?
could we not have gratulated?
could you not have gratulated?
could they not have gratulated? 	could I not have been gratulating?
could you not have been gratulating?
could she not have been gratulating?
could we not have been gratulating?
could you not have been gratulating?
could they not have been gratulating?