can arch
Verbo regular: arch - arched- arched

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can arch
you can arch
she can arch
we can arch
you can arch
they can arch 	I can be arching
you can be arching
she can be arching
we can be arching
you can be arching
they can be arching	I can have arched
you can have arched
she can have arched
we can have arched
you can have arched
they can have arched	I can have been arching
you can have been arching
she can have been arching
we can have been arching
you can have been arching
they can have been arching	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot arch
you cannot arch
she cannot arch
we cannot arch
you cannot arch
they cannot arch 	I cannot be arching
you cannot be arching
she cannot be arching
we cannot be arching
you cannot be arching
they cannot be arching	I cannot have arched
you cannot have arched
she cannot have arched
we cannot have arched
you cannot have arched
they cannot have arched	I cannot have been arching
you cannot have been arching
she cannot have been arching
we cannot have been arching
you cannot have been arching
they cannot have been arching	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I arch?
can you arch?
can she arch?
can we arch?
can you arch?
can they arch? 	can I be arching?
can you be arching?
can she be arching?
can we be arching?
can you be arching?
can they be arching? 	can I have arched?
can you have arched?
can she have arched?
can we have arched?
can you have arched?
can they have arched? 	can I have been arching?
can you have been arching?
can she have been arching?
can we have been arching?
can you have been arching?
can they have been arching? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not arch?
can you not arch?
can she not arch?
can we not arch?
can you not arch?
can they not arch? 	can I not be arching?
can you not be arching?
can she not be arching?
can we not be arching?
can you not be arching?
can they not be arching? 	can I not have arched?
can you not have arched?
can she not have arched?
can we not have arched?
can you not have arched?
can they not have arched? 	can I not have been arching?
can you not have been arching?
can she not have been arching?
can we not have been arching?
can you not have been arching?
can they not have been arching?