could travel
Verbe régulier : travel - travelled- travelled
Traduction française : voyager - faire 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could travel
you could travel
she could travel
we could travel
you could travel
they could travel 	I could be travelling
you could be travelling
she could be travelling
we could be travelling
you could be travelling
they could be travelling	I could have travelled
you could have travelled
she could have travelled
we could have travelled
you could have travelled
they could have travelled	I could have been travelling
you could have been travelling
she could have been travelling
we could have been travelling
you could have been travelling
they could have been travelling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't travel
you couldn't travel
she couldn't travel
we couldn't travel
you couldn't travel
they couldn't travel 	I couldn't be travelling
you couldn't be travelling
she couldn't be travelling
we couldn't be travelling
you couldn't be travelling
they couldn't be travelling	I couldn't have travelled
you couldn't have travelled
she couldn't have travelled
we couldn't have travelled
you couldn't have travelled
they couldn't have travelled	I couldn't have been travelling
you couldn't have been travelling
she couldn't have been travelling
we couldn't have been travelling
you couldn't have been travelling
they couldn't have been travelling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I travel?
could you travel?
could she travel?
could we travel?
could you travel?
could they travel? 	could I be travelling?
could you be travelling?
could she be travelling?
could we be travelling?
could you be travelling?
could they be travelling? 	could I have travelled?
could you have travelled?
could she have travelled?
could we have travelled?
could you have travelled?
could they have travelled? 	could I have been travelling?
could you have been travelling?
could she have been travelling?
could we have been travelling?
could you have been travelling?
could they have been travelling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I travel?
couldn't you travel?
couldn't she travel?
couldn't we travel?
couldn't you travel?
couldn't they travel? 	couldn't I be travelling?
couldn't you be travelling?
couldn't she be travelling?
couldn't we be travelling?
couldn't you be travelling?
couldn't they be travelling? 	couldn't I have travelled?
couldn't you have travelled?
couldn't she have travelled?
couldn't we have travelled?
couldn't you have travelled?
couldn't they have travelled? 	couldn't I have been travelling?
couldn't you have been travelling?
couldn't she have been travelling?
couldn't we have been travelling?
couldn't you have been travelling?
couldn't they have been travelling?