could tread
Unregelmä&szlig;iges Verb: tread - trod- trod, trodden

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could tread
you could tread
he could tread
we could tread
you could tread
they could tread 	I could be treading
you could be treading
he could be treading
we could be treading
you could be treading
they could be treading	I could have trod, trodden
you could have trod, trodden
he could have trod, trodden
we could have trod, trodden
you could have trod, trodden
they could have trod, trodden	I could have been treading
you could have been treading
he could have been treading
we could have been treading
you could have been treading
they could have been treading	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I couldn't tread
you couldn't tread
he couldn't tread
we couldn't tread
you couldn't tread
they couldn't tread 	I couldn't be treading
you couldn't be treading
he couldn't be treading
we couldn't be treading
you couldn't be treading
they couldn't be treading	I couldn't have trod, trodden
you couldn't have trod, trodden
he couldn't have trod, trodden
we couldn't have trod, trodden
you couldn't have trod, trodden
they couldn't have trod, trodden	I couldn't have been treading
you couldn't have been treading
he couldn't have been treading
we couldn't have been treading
you couldn't have been treading
they couldn't have been treading	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I tread?
could you tread?
could he tread?
could we tread?
could you tread?
could they tread? 	could I be treading?
could you be treading?
could he be treading?
could we be treading?
could you be treading?
could they be treading? 	could I have trod, trodden?
could you have trod, trodden?
could he have trod, trodden?
could we have trod, trodden?
could you have trod, trodden?
could they have trod, trodden? 	could I have been treading?
could you have been treading?
could he have been treading?
could we have been treading?
could you have been treading?
could they have been treading? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
couldn't I tread?
couldn't you tread?
couldn't he tread?
couldn't we tread?
couldn't you tread?
couldn't they tread? 	couldn't I be treading?
couldn't you be treading?
couldn't he be treading?
couldn't we be treading?
couldn't you be treading?
couldn't they be treading? 	couldn't I have trod, trodden?
couldn't you have trod, trodden?
couldn't he have trod, trodden?
couldn't we have trod, trodden?
couldn't you have trod, trodden?
couldn't they have trod, trodden? 	couldn't I have been treading?
couldn't you have been treading?
couldn't he have been treading?
couldn't we have been treading?
couldn't you have been treading?
couldn't they have been treading?