can screech
Verbo regular: screech - screeched- screeched

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can screech
you can screech
he can screech
we can screech
you can screech
they can screech 	I can be screeching
you can be screeching
he can be screeching
we can be screeching
you can be screeching
they can be screeching	I can have screeched
you can have screeched
he can have screeched
we can have screeched
you can have screeched
they can have screeched	I can have been screeching
you can have been screeching
he can have been screeching
we can have been screeching
you can have been screeching
they can have been screeching	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't screech
you can't screech
he can't screech
we can't screech
you can't screech
they can't screech 	I can't be screeching
you can't be screeching
he can't be screeching
we can't be screeching
you can't be screeching
they can't be screeching	I can't have screeched
you can't have screeched
he can't have screeched
we can't have screeched
you can't have screeched
they can't have screeched	I can't have been screeching
you can't have been screeching
he can't have been screeching
we can't have been screeching
you can't have been screeching
they can't have been screeching	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I screech?
can you screech?
can he screech?
can we screech?
can you screech?
can they screech? 	can I be screeching?
can you be screeching?
can he be screeching?
can we be screeching?
can you be screeching?
can they be screeching? 	can I have screeched?
can you have screeched?
can he have screeched?
can we have screeched?
can you have screeched?
can they have screeched? 	can I have been screeching?
can you have been screeching?
can he have been screeching?
can we have been screeching?
can you have been screeching?
can they have been screeching? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I screech?
can't you screech?
can't he screech?
can't we screech?
can't you screech?
can't they screech? 	can't I be screeching?
can't you be screeching?
can't he be screeching?
can't we be screeching?
can't you be screeching?
can't they be screeching? 	can't I have screeched?
can't you have screeched?
can't he have screeched?
can't we have screeched?
can't you have screeched?
can't they have screeched? 	can't I have been screeching?
can't you have been screeching?
can't he have been screeching?
can't we have been screeching?
can't you have been screeching?
can't they have been screeching?