I could button you could button she could button we could button you could button they could button
Form mit V-ing
I could be buttoning you could be buttoning she could be buttoning we could be buttoning you could be buttoning they could be buttoning
Perfekt
I could have buttoned you could have buttoned she could have buttoned we could have buttoned you could have buttoned they could have buttoned
Perfekt mit V-ing
I could have been buttoning you could have been buttoning she could have been buttoning we could have been buttoning you could have been buttoning they could have been buttoning
Negation
Einfache Form
I couldn't button you couldn't button she couldn't button we couldn't button you couldn't button they couldn't button
Form mit V-ing
I couldn't be buttoning you couldn't be buttoning she couldn't be buttoning we couldn't be buttoning you couldn't be buttoning they couldn't be buttoning
Perfekt
I couldn't have buttoned you couldn't have buttoned she couldn't have buttoned we couldn't have buttoned you couldn't have buttoned they couldn't have buttoned
Perfekt mit V-ing
I couldn't have been buttoning you couldn't have been buttoning she couldn't have been buttoning we couldn't have been buttoning you couldn't have been buttoning they couldn't have been buttoning
Fragende Form
Einfache Form
could I button? could you button? could she button? could we button? could you button? could they button?
Form mit V-ing
could I be buttoning? could you be buttoning? could she be buttoning? could we be buttoning? could you be buttoning? could they be buttoning?
Perfekt
could I have buttoned? could you have buttoned? could she have buttoned? could we have buttoned? could you have buttoned? could they have buttoned?
Perfekt mit V-ing
could I have been buttoning? could you have been buttoning? could she have been buttoning? could we have been buttoning? could you have been buttoning? could they have been buttoning?
Fragende Negation Form
Einfache Form
couldn't I button? couldn't you button? couldn't she button? couldn't we button? couldn't you button? couldn't they button?
Form mit V-ing
couldn't I be buttoning? couldn't you be buttoning? couldn't she be buttoning? couldn't we be buttoning? couldn't you be buttoning? couldn't they be buttoning?
Perfekt
couldn't I have buttoned? couldn't you have buttoned? couldn't she have buttoned? couldn't we have buttoned? couldn't you have buttoned? couldn't they have buttoned?
Perfekt mit V-ing
couldn't I have been buttoning? couldn't you have been buttoning? couldn't she have been buttoning? couldn't we have been buttoning? couldn't you have been buttoning? couldn't they have been buttoning?