I could frog you could frog he could frog we could frog you could frog they could frog
Form mit V-ing
I could be froging you could be froging he could be froging we could be froging you could be froging they could be froging
Perfekt
I could have froged you could have froged he could have froged we could have froged you could have froged they could have froged
Perfekt mit V-ing
I could have been froging you could have been froging he could have been froging we could have been froging you could have been froging they could have been froging
Negation
Einfache Form
I couldn't frog you couldn't frog he couldn't frog we couldn't frog you couldn't frog they couldn't frog
Form mit V-ing
I couldn't be froging you couldn't be froging he couldn't be froging we couldn't be froging you couldn't be froging they couldn't be froging
Perfekt
I couldn't have froged you couldn't have froged he couldn't have froged we couldn't have froged you couldn't have froged they couldn't have froged
Perfekt mit V-ing
I couldn't have been froging you couldn't have been froging he couldn't have been froging we couldn't have been froging you couldn't have been froging they couldn't have been froging
Fragende Form
Einfache Form
could I frog? could you frog? could he frog? could we frog? could you frog? could they frog?
Form mit V-ing
could I be froging? could you be froging? could he be froging? could we be froging? could you be froging? could they be froging?
Perfekt
could I have froged? could you have froged? could he have froged? could we have froged? could you have froged? could they have froged?
Perfekt mit V-ing
could I have been froging? could you have been froging? could he have been froging? could we have been froging? could you have been froging? could they have been froging?
Fragende Negation Form
Einfache Form
couldn't I frog? couldn't you frog? couldn't he frog? couldn't we frog? couldn't you frog? couldn't they frog?
Form mit V-ing
couldn't I be froging? couldn't you be froging? couldn't he be froging? couldn't we be froging? couldn't you be froging? couldn't they be froging?
Perfekt
couldn't I have froged? couldn't you have froged? couldn't he have froged? couldn't we have froged? couldn't you have froged? couldn't they have froged?
Perfekt mit V-ing
couldn't I have been froging? couldn't you have been froging? couldn't he have been froging? couldn't we have been froging? couldn't you have been froging? couldn't they have been froging?