can trail
Verbe régulier : trail - trailed- trailed
Traduction française : suivre - traîner 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can trail
you can trail
she can trail
we can trail
you can trail
they can trail 	I can be trailing
you can be trailing
she can be trailing
we can be trailing
you can be trailing
they can be trailing	I can have trailed
you can have trailed
she can have trailed
we can have trailed
you can have trailed
they can have trailed	I can have been trailing
you can have been trailing
she can have been trailing
we can have been trailing
you can have been trailing
they can have been trailing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can't trail
you can't trail
she can't trail
we can't trail
you can't trail
they can't trail 	I can't be trailing
you can't be trailing
she can't be trailing
we can't be trailing
you can't be trailing
they can't be trailing	I can't have trailed
you can't have trailed
she can't have trailed
we can't have trailed
you can't have trailed
they can't have trailed	I can't have been trailing
you can't have been trailing
she can't have been trailing
we can't have been trailing
you can't have been trailing
they can't have been trailing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I trail?
can you trail?
can she trail?
can we trail?
can you trail?
can they trail? 	can I be trailing?
can you be trailing?
can she be trailing?
can we be trailing?
can you be trailing?
can they be trailing? 	can I have trailed?
can you have trailed?
can she have trailed?
can we have trailed?
can you have trailed?
can they have trailed? 	can I have been trailing?
can you have been trailing?
can she have been trailing?
can we have been trailing?
can you have been trailing?
can they have been trailing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can't I trail?
can't you trail?
can't she trail?
can't we trail?
can't you trail?
can't they trail? 	can't I be trailing?
can't you be trailing?
can't she be trailing?
can't we be trailing?
can't you be trailing?
can't they be trailing? 	can't I have trailed?
can't you have trailed?
can't she have trailed?
can't we have trailed?
can't you have trailed?
can't they have trailed? 	can't I have been trailing?
can't you have been trailing?
can't she have been trailing?
can't we have been trailing?
can't you have been trailing?
can't they have been trailing?