could think
Unregelmä&szlig;iges Verb: think - thought- thought

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could think
you could think
he could think
we could think
you could think
they could think 	I could be thinking
you could be thinking
he could be thinking
we could be thinking
you could be thinking
they could be thinking	I could have thought
you could have thought
he could have thought
we could have thought
you could have thought
they could have thought	I could have been thinking
you could have been thinking
he could have been thinking
we could have been thinking
you could have been thinking
they could have been thinking	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could not think
you could not think
he could not think
we could not think
you could not think
they could not think 	I could not be thinking
you could not be thinking
he could not be thinking
we could not be thinking
you could not be thinking
they could not be thinking	I could not have thought
you could not have thought
he could not have thought
we could not have thought
you could not have thought
they could not have thought	I could not have been thinking
you could not have been thinking
he could not have been thinking
we could not have been thinking
you could not have been thinking
they could not have been thinking	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I think?
could you think?
could he think?
could we think?
could you think?
could they think? 	could I be thinking?
could you be thinking?
could he be thinking?
could we be thinking?
could you be thinking?
could they be thinking? 	could I have thought?
could you have thought?
could he have thought?
could we have thought?
could you have thought?
could they have thought? 	could I have been thinking?
could you have been thinking?
could he have been thinking?
could we have been thinking?
could you have been thinking?
could they have been thinking? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I not think?
could you not think?
could he not think?
could we not think?
could you not think?
could they not think? 	could I not be thinking?
could you not be thinking?
could he not be thinking?
could we not be thinking?
could you not be thinking?
could they not be thinking? 	could I not have thought?
could you not have thought?
could he not have thought?
could we not have thought?
could you not have thought?
could they not have thought? 	could I not have been thinking?
could you not have been thinking?
could he not have been thinking?
could we not have been thinking?
could you not have been thinking?
could they not have been thinking?