I could tree you could tree he could tree we could tree you could tree they could tree
Form mit V-ing
I could be treeing you could be treeing he could be treeing we could be treeing you could be treeing they could be treeing
Perfekt
I could have treed you could have treed he could have treed we could have treed you could have treed they could have treed
Perfekt mit V-ing
I could have been treeing you could have been treeing he could have been treeing we could have been treeing you could have been treeing they could have been treeing
Negation
Einfache Form
I couldn't tree you couldn't tree he couldn't tree we couldn't tree you couldn't tree they couldn't tree
Form mit V-ing
I couldn't be treeing you couldn't be treeing he couldn't be treeing we couldn't be treeing you couldn't be treeing they couldn't be treeing
Perfekt
I couldn't have treed you couldn't have treed he couldn't have treed we couldn't have treed you couldn't have treed they couldn't have treed
Perfekt mit V-ing
I couldn't have been treeing you couldn't have been treeing he couldn't have been treeing we couldn't have been treeing you couldn't have been treeing they couldn't have been treeing
Fragende Form
Einfache Form
could I tree? could you tree? could he tree? could we tree? could you tree? could they tree?
Form mit V-ing
could I be treeing? could you be treeing? could he be treeing? could we be treeing? could you be treeing? could they be treeing?
Perfekt
could I have treed? could you have treed? could he have treed? could we have treed? could you have treed? could they have treed?
Perfekt mit V-ing
could I have been treeing? could you have been treeing? could he have been treeing? could we have been treeing? could you have been treeing? could they have been treeing?
Fragende Negation Form
Einfache Form
couldn't I tree? couldn't you tree? couldn't he tree? couldn't we tree? couldn't you tree? couldn't they tree?
Form mit V-ing
couldn't I be treeing? couldn't you be treeing? couldn't he be treeing? couldn't we be treeing? couldn't you be treeing? couldn't they be treeing?
Perfekt
couldn't I have treed? couldn't you have treed? couldn't he have treed? couldn't we have treed? couldn't you have treed? couldn't they have treed?
Perfekt mit V-ing
couldn't I have been treeing? couldn't you have been treeing? couldn't he have been treeing? couldn't we have been treeing? couldn't you have been treeing? couldn't they have been treeing?