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 cannot trail
you cannot trail
she cannot trail
we cannot trail
you cannot trail
they cannot trail 	I cannot be trailing
you cannot be trailing
she cannot be trailing
we cannot be trailing
you cannot be trailing
they cannot be trailing	I cannot have trailed
you cannot have trailed
she cannot have trailed
we cannot have trailed
you cannot have trailed
they cannot have trailed	I cannot have been trailing
you cannot have been trailing
she cannot have been trailing
we cannot have been trailing
you cannot have been trailing
they cannot 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 I not trail?
can you not trail?
can she not trail?
can we not trail?
can you not trail?
can they not trail? 	can I not be trailing?
can you not be trailing?
can she not be trailing?
can we not be trailing?
can you not be trailing?
can they not be trailing? 	can I not have trailed?
can you not have trailed?
can she not have trailed?
can we not have trailed?
can you not have trailed?
can they not have trailed? 	can I not have been trailing?
can you not have been trailing?
can she not have been trailing?
can we not have been trailing?
can you not have been trailing?
can they not have been trailing?