I could occur you could occur he could occur we could occur you could occur they could occur
Form mit V-ing
I could be occurring you could be occurring he could be occurring we could be occurring you could be occurring they could be occurring
Perfekt
I could have occurred you could have occurred he could have occurred we could have occurred you could have occurred they could have occurred
Perfekt mit V-ing
I could have been occurring you could have been occurring he could have been occurring we could have been occurring you could have been occurring they could have been occurring
Negation
Einfache Form
I couldn't occur you couldn't occur he couldn't occur we couldn't occur you couldn't occur they couldn't occur
Form mit V-ing
I couldn't be occurring you couldn't be occurring he couldn't be occurring we couldn't be occurring you couldn't be occurring they couldn't be occurring
Perfekt
I couldn't have occurred you couldn't have occurred he couldn't have occurred we couldn't have occurred you couldn't have occurred they couldn't have occurred
Perfekt mit V-ing
I couldn't have been occurring you couldn't have been occurring he couldn't have been occurring we couldn't have been occurring you couldn't have been occurring they couldn't have been occurring
Fragende Form
Einfache Form
could I occur? could you occur? could he occur? could we occur? could you occur? could they occur?
Form mit V-ing
could I be occurring? could you be occurring? could he be occurring? could we be occurring? could you be occurring? could they be occurring?
Perfekt
could I have occurred? could you have occurred? could he have occurred? could we have occurred? could you have occurred? could they have occurred?
Perfekt mit V-ing
could I have been occurring? could you have been occurring? could he have been occurring? could we have been occurring? could you have been occurring? could they have been occurring?
Fragende Negation Form
Einfache Form
couldn't I occur? couldn't you occur? couldn't he occur? couldn't we occur? couldn't you occur? couldn't they occur?
Form mit V-ing
couldn't I be occurring? couldn't you be occurring? couldn't he be occurring? couldn't we be occurring? couldn't you be occurring? couldn't they be occurring?
Perfekt
couldn't I have occurred? couldn't you have occurred? couldn't he have occurred? couldn't we have occurred? couldn't you have occurred? couldn't they have occurred?
Perfekt mit V-ing
couldn't I have been occurring? couldn't you have been occurring? couldn't he have been occurring? couldn't we have been occurring? couldn't you have been occurring? couldn't they have been occurring?