Conjugación del verbo inglés
COULD GLASS

Verbo regular: glass - glassed - glassed

Afirmación

Forma simple	Forma con V-ing
I could glass you could glass he could glass we could glass you could glass they could glass	I could be glassing you could be glassing he could be glassing we could be glassing you could be glassing they could be glassing
Perfecto	Perfecto con V-ing
I could have glassed you could have glassed he 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 he could have been glassing we could have been glassing you could have been glassing they could have been glassing

Negación

Forma simple	Forma con V-ing
I couldn't glass you couldn't glass he 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 he couldn't be glassing we couldn't be glassing you couldn't be glassing they couldn't be glassing
Perfecto	Perfecto con V-ing
I couldn't have glassed you couldn't have glassed he 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 he couldn't have been glassing we couldn't have been glassing you couldn't have been glassing they couldn't have been glassing

Forma interrogativa

Forma simple	Forma con V-ing
could I glass? could you glass? could he glass? could we glass? could you glass? could they glass?	could I be glassing? could you be glassing? could he be glassing? could we be glassing? could you be glassing? could they be glassing?
Perfecto	Perfecto con V-ing
could I have glassed? could you have glassed? could he 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 he have been glassing? could we have been glassing? could you have been glassing? could they have been glassing?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I glass? couldn't you glass? couldn't he 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 he be glassing? couldn't we be glassing? couldn't you be glassing? couldn't they be glassing?
Perfecto	Perfecto con V-ing
couldn't I have glassed? couldn't you have glassed? couldn't he 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 he have been glassing? couldn't we have been glassing? couldn't you have been glassing? couldn't they have been glassing?