can gratulate
Verbo regular: gratulate - gratulated- gratulated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot gratulate
you cannot gratulate
he cannot gratulate
we cannot gratulate
you cannot gratulate
they cannot gratulate 	I cannot be gratulating
you cannot be gratulating
he cannot be gratulating
we cannot be gratulating
you cannot be gratulating
they cannot be gratulating	I cannot have gratulated
you cannot have gratulated
he cannot have gratulated
we cannot have gratulated
you cannot have gratulated
they cannot have gratulated	I cannot have been gratulating
you cannot have been gratulating
he cannot have been gratulating
we cannot have been gratulating
you cannot have been gratulating
they cannot have been gratulating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not gratulate?
can you not gratulate?
can he not gratulate?
can we not gratulate?
can you not gratulate?
can they not gratulate? 	can I not be gratulating?
can you not be gratulating?
can he not be gratulating?
can we not be gratulating?
can you not be gratulating?
can they not be gratulating? 	can I not have gratulated?
can you not have gratulated?
can he not have gratulated?
can we not have gratulated?
can you not have gratulated?
can they not have gratulated? 	can I not have been gratulating?
can you not have been gratulating?
can he not have been gratulating?
can we not have been gratulating?
can you not have been gratulating?
can they not have been gratulating?