could glass
Verbe régulier : glass - glassed- glassed
Traduction française : vitrer - mettre sous verre 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could glass
you could glass
she could glass
we could glass
you could glass
they could glass 	I could be glassing
you could be glassing
she could be glassing
we could be glassing
you could be glassing
they could be glassing	I could have glassed
you could have glassed
she could have glassed
we could have glassed
you could have glassed
they could have glassed	I could have been glassing
you could have been glassing
she could have been glassing
we could have been glassing
you could have been glassing
they could have been glassing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't glass
you couldn't glass
she couldn't glass
we couldn't glass
you couldn't glass
they couldn't glass 	I couldn't be glassing
you couldn't be glassing
she couldn't be glassing
we couldn't be glassing
you couldn't be glassing
they couldn't be glassing	I couldn't have glassed
you couldn't have glassed
she couldn't have glassed
we couldn't have glassed
you couldn't have glassed
they couldn't have glassed	I couldn't have been glassing
you couldn't have been glassing
she couldn't have been glassing
we couldn't have been glassing
you couldn't have been glassing
they couldn't have been glassing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I glass?
could you glass?
could she glass?
could we glass?
could you glass?
could they glass? 	could I be glassing?
could you be glassing?
could she be glassing?
could we be glassing?
could you be glassing?
could they be glassing? 	could I have glassed?
could you have glassed?
could she have glassed?
could we have glassed?
could you have glassed?
could they have glassed? 	could I have been glassing?
could you have been glassing?
could she have been glassing?
could we have been glassing?
could you have been glassing?
could they have been glassing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I glass?
couldn't you glass?
couldn't she glass?
couldn't we glass?
couldn't you glass?
couldn't they glass? 	couldn't I be glassing?
couldn't you be glassing?
couldn't she be glassing?
couldn't we be glassing?
couldn't you be glassing?
couldn't they be glassing? 	couldn't I have glassed?
couldn't you have glassed?
couldn't she have glassed?
couldn't we have glassed?
couldn't you have glassed?
couldn't they have glassed? 	couldn't I have been glassing?
couldn't you have been glassing?
couldn't she have been glassing?
couldn't we have been glassing?
couldn't you have been glassing?
couldn't they have been glassing?