could undermine
Regelmä&szlig;iges Verb: undermine - undermined- undermined

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could undermine
you could undermine
she could undermine
we could undermine
you could undermine
they could undermine 	I could be undermining
you could be undermining
she could be undermining
we could be undermining
you could be undermining
they could be undermining	I could have undermined
you could have undermined
she could have undermined
we could have undermined
you could have undermined
they could have undermined	I could have been undermining
you could have been undermining
she could have been undermining
we could have been undermining
you could have been undermining
they could have been undermining	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I couldn't undermine
you couldn't undermine
she couldn't undermine
we couldn't undermine
you couldn't undermine
they couldn't undermine 	I couldn't be undermining
you couldn't be undermining
she couldn't be undermining
we couldn't be undermining
you couldn't be undermining
they couldn't be undermining	I couldn't have undermined
you couldn't have undermined
she couldn't have undermined
we couldn't have undermined
you couldn't have undermined
they couldn't have undermined	I couldn't have been undermining
you couldn't have been undermining
she couldn't have been undermining
we couldn't have been undermining
you couldn't have been undermining
they couldn't have been undermining	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I undermine?
could you undermine?
could she undermine?
could we undermine?
could you undermine?
could they undermine? 	could I be undermining?
could you be undermining?
could she be undermining?
could we be undermining?
could you be undermining?
could they be undermining? 	could I have undermined?
could you have undermined?
could she have undermined?
could we have undermined?
could you have undermined?
could they have undermined? 	could I have been undermining?
could you have been undermining?
could she have been undermining?
could we have been undermining?
could you have been undermining?
could they have been undermining? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
couldn't I undermine?
couldn't you undermine?
couldn't she undermine?
couldn't we undermine?
couldn't you undermine?
couldn't they undermine? 	couldn't I be undermining?
couldn't you be undermining?
couldn't she be undermining?
couldn't we be undermining?
couldn't you be undermining?
couldn't they be undermining? 	couldn't I have undermined?
couldn't you have undermined?
couldn't she have undermined?
couldn't we have undermined?
couldn't you have undermined?
couldn't they have undermined? 	couldn't I have been undermining?
couldn't you have been undermining?
couldn't she have been undermining?
couldn't we have been undermining?
couldn't you have been undermining?
couldn't they have been undermining?