can travel
Verbo regular: travel - travelled- travelled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can travel
you can travel
she can travel
we can travel
you can travel
they can travel 	I can be travelling
you can be travelling
she can be travelling
we can be travelling
you can be travelling
they can be travelling	I can have travelled
you can have travelled
she can have travelled
we can have travelled
you can have travelled
they can have travelled	I can have been travelling
you can have been travelling
she can have been travelling
we can have been travelling
you can have been travelling
they can have been travelling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't travel
you can't travel
she can't travel
we can't travel
you can't travel
they can't travel 	I can't be travelling
you can't be travelling
she can't be travelling
we can't be travelling
you can't be travelling
they can't be travelling	I can't have travelled
you can't have travelled
she can't have travelled
we can't have travelled
you can't have travelled
they can't have travelled	I can't have been travelling
you can't have been travelling
she can't have been travelling
we can't have been travelling
you can't have been travelling
they can't have been travelling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I travel?
can you travel?
can she travel?
can we travel?
can you travel?
can they travel? 	can I be travelling?
can you be travelling?
can she be travelling?
can we be travelling?
can you be travelling?
can they be travelling? 	can I have travelled?
can you have travelled?
can she have travelled?
can we have travelled?
can you have travelled?
can they have travelled? 	can I have been travelling?
can you have been travelling?
can she have been travelling?
can we have been travelling?
can you have been travelling?
can they have been travelling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I travel?
can't you travel?
can't she travel?
can't we travel?
can't you travel?
can't they travel? 	can't I be travelling?
can't you be travelling?
can't she be travelling?
can't we be travelling?
can't you be travelling?
can't they be travelling? 	can't I have travelled?
can't you have travelled?
can't she have travelled?
can't we have travelled?
can't you have travelled?
can't they have travelled? 	can't I have been travelling?
can't you have been travelling?
can't she have been travelling?
can't we have been travelling?
can't you have been travelling?
can't they have been travelling?