could speculate
Regelmä&szlig;iges Verb: speculate - speculated- speculated

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could speculate
you could speculate
he could speculate
we could speculate
you could speculate
they could speculate 	I could be speculating
you could be speculating
he could be speculating
we could be speculating
you could be speculating
they could be speculating	I could have speculated
you could have speculated
he could have speculated
we could have speculated
you could have speculated
they could have speculated	I could have been speculating
you could have been speculating
he could have been speculating
we could have been speculating
you could have been speculating
they could have been speculating	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could not speculate
you could not speculate
he could not speculate
we could not speculate
you could not speculate
they could not speculate 	I could not be speculating
you could not be speculating
he could not be speculating
we could not be speculating
you could not be speculating
they could not be speculating	I could not have speculated
you could not have speculated
he could not have speculated
we could not have speculated
you could not have speculated
they could not have speculated	I could not have been speculating
you could not have been speculating
he could not have been speculating
we could not have been speculating
you could not have been speculating
they could not have been speculating	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I speculate?
could you speculate?
could he speculate?
could we speculate?
could you speculate?
could they speculate? 	could I be speculating?
could you be speculating?
could he be speculating?
could we be speculating?
could you be speculating?
could they be speculating? 	could I have speculated?
could you have speculated?
could he have speculated?
could we have speculated?
could you have speculated?
could they have speculated? 	could I have been speculating?
could you have been speculating?
could he have been speculating?
could we have been speculating?
could you have been speculating?
could they have been speculating? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I not speculate?
could you not speculate?
could he not speculate?
could we not speculate?
could you not speculate?
could they not speculate? 	could I not be speculating?
could you not be speculating?
could he not be speculating?
could we not be speculating?
could you not be speculating?
could they not be speculating? 	could I not have speculated?
could you not have speculated?
could he not have speculated?
could we not have speculated?
could you not have speculated?
could they not have speculated? 	could I not have been speculating?
could you not have been speculating?
could he not have been speculating?
could we not have been speculating?
could you not have been speculating?
could they not have been speculating?