could tong
Verbe régulier : tong - tonged- tonged

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could tong
you could tong
she could tong
we could tong
you could tong
they could tong 	I could be tonging
you could be tonging
she could be tonging
we could be tonging
you could be tonging
they could be tonging	I could have tonged
you could have tonged
she could have tonged
we could have tonged
you could have tonged
they could have tonged	I could have been tonging
you could have been tonging
she could have been tonging
we could have been tonging
you could have been tonging
they could have been tonging	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't tong
you couldn't tong
she couldn't tong
we couldn't tong
you couldn't tong
they couldn't tong 	I couldn't be tonging
you couldn't be tonging
she couldn't be tonging
we couldn't be tonging
you couldn't be tonging
they couldn't be tonging	I couldn't have tonged
you couldn't have tonged
she couldn't have tonged
we couldn't have tonged
you couldn't have tonged
they couldn't have tonged	I couldn't have been tonging
you couldn't have been tonging
she couldn't have been tonging
we couldn't have been tonging
you couldn't have been tonging
they couldn't have been tonging	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I tong?
could you tong?
could she tong?
could we tong?
could you tong?
could they tong? 	could I be tonging?
could you be tonging?
could she be tonging?
could we be tonging?
could you be tonging?
could they be tonging? 	could I have tonged?
could you have tonged?
could she have tonged?
could we have tonged?
could you have tonged?
could they have tonged? 	could I have been tonging?
could you have been tonging?
could she have been tonging?
could we have been tonging?
could you have been tonging?
could they have been tonging? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I tong?
couldn't you tong?
couldn't she tong?
couldn't we tong?
couldn't you tong?
couldn't they tong? 	couldn't I be tonging?
couldn't you be tonging?
couldn't she be tonging?
couldn't we be tonging?
couldn't you be tonging?
couldn't they be tonging? 	couldn't I have tonged?
couldn't you have tonged?
couldn't she have tonged?
couldn't we have tonged?
couldn't you have tonged?
couldn't they have tonged? 	couldn't I have been tonging?
couldn't you have been tonging?
couldn't she have been tonging?
couldn't we have been tonging?
couldn't you have been tonging?
couldn't they have been tonging?