can congratulate
Verbo regular: congratulate - congratulated- congratulated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can congratulate
you can congratulate
she can congratulate
we can congratulate
you can congratulate
they can congratulate 	I can be congratulating
you can be congratulating
she can be congratulating
we can be congratulating
you can be congratulating
they can be congratulating	I can have congratulated
you can have congratulated
she can have congratulated
we can have congratulated
you can have congratulated
they can have congratulated	I can have been congratulating
you can have been congratulating
she can have been congratulating
we can have been congratulating
you can have been congratulating
they can have been congratulating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot congratulate
you cannot congratulate
she cannot congratulate
we cannot congratulate
you cannot congratulate
they cannot congratulate 	I cannot be congratulating
you cannot be congratulating
she cannot be congratulating
we cannot be congratulating
you cannot be congratulating
they cannot be congratulating	I cannot have congratulated
you cannot have congratulated
she cannot have congratulated
we cannot have congratulated
you cannot have congratulated
they cannot have congratulated	I cannot have been congratulating
you cannot have been congratulating
she cannot have been congratulating
we cannot have been congratulating
you cannot have been congratulating
they cannot have been congratulating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I congratulate?
can you congratulate?
can she congratulate?
can we congratulate?
can you congratulate?
can they congratulate? 	can I be congratulating?
can you be congratulating?
can she be congratulating?
can we be congratulating?
can you be congratulating?
can they be congratulating? 	can I have congratulated?
can you have congratulated?
can she have congratulated?
can we have congratulated?
can you have congratulated?
can they have congratulated? 	can I have been congratulating?
can you have been congratulating?
can she have been congratulating?
can we have been congratulating?
can you have been congratulating?
can they have been congratulating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not congratulate?
can you not congratulate?
can she not congratulate?
can we not congratulate?
can you not congratulate?
can they not congratulate? 	can I not be congratulating?
can you not be congratulating?
can she not be congratulating?
can we not be congratulating?
can you not be congratulating?
can they not be congratulating? 	can I not have congratulated?
can you not have congratulated?
can she not have congratulated?
can we not have congratulated?
can you not have congratulated?
can they not have congratulated? 	can I not have been congratulating?
can you not have been congratulating?
can she not have been congratulating?
can we not have been congratulating?
can you not have been congratulating?
can they not have been congratulating?