I could bill you could bill he could bill we could bill you could bill they could bill
Form mit V-ing
I could be billing you could be billing he could be billing we could be billing you could be billing they could be billing
Perfekt
I could have billed you could have billed he could have billed we could have billed you could have billed they could have billed
Perfekt mit V-ing
I could have been billing you could have been billing he could have been billing we could have been billing you could have been billing they could have been billing
Negation
Einfache Form
I couldn't bill you couldn't bill he couldn't bill we couldn't bill you couldn't bill they couldn't bill
Form mit V-ing
I couldn't be billing you couldn't be billing he couldn't be billing we couldn't be billing you couldn't be billing they couldn't be billing
Perfekt
I couldn't have billed you couldn't have billed he couldn't have billed we couldn't have billed you couldn't have billed they couldn't have billed
Perfekt mit V-ing
I couldn't have been billing you couldn't have been billing he couldn't have been billing we couldn't have been billing you couldn't have been billing they couldn't have been billing
Fragende Form
Einfache Form
could I bill? could you bill? could he bill? could we bill? could you bill? could they bill?
Form mit V-ing
could I be billing? could you be billing? could he be billing? could we be billing? could you be billing? could they be billing?
Perfekt
could I have billed? could you have billed? could he have billed? could we have billed? could you have billed? could they have billed?
Perfekt mit V-ing
could I have been billing? could you have been billing? could he have been billing? could we have been billing? could you have been billing? could they have been billing?
Fragende Negation Form
Einfache Form
couldn't I bill? couldn't you bill? couldn't he bill? couldn't we bill? couldn't you bill? couldn't they bill?
Form mit V-ing
couldn't I be billing? couldn't you be billing? couldn't he be billing? couldn't we be billing? couldn't you be billing? couldn't they be billing?
Perfekt
couldn't I have billed? couldn't you have billed? couldn't he have billed? couldn't we have billed? couldn't you have billed? couldn't they have billed?
Perfekt mit V-ing
couldn't I have been billing? couldn't you have been billing? couldn't he have been billing? couldn't we have been billing? couldn't you have been billing? couldn't they have been billing?