could grade
Regelmä&szlig;iges Verb: grade - graded- graded

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could grade
you could grade
she could grade
we could grade
you could grade
they could grade 	I could be grading
you could be grading
she could be grading
we could be grading
you could be grading
they could be grading	I could have graded
you could have graded
she could have graded
we could have graded
you could have graded
they could have graded	I could have been grading
you could have been grading
she could have been grading
we could have been grading
you could have been grading
they could have been grading	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I couldn't grade
you couldn't grade
she couldn't grade
we couldn't grade
you couldn't grade
they couldn't grade 	I couldn't be grading
you couldn't be grading
she couldn't be grading
we couldn't be grading
you couldn't be grading
they couldn't be grading	I couldn't have graded
you couldn't have graded
she couldn't have graded
we couldn't have graded
you couldn't have graded
they couldn't have graded	I couldn't have been grading
you couldn't have been grading
she couldn't have been grading
we couldn't have been grading
you couldn't have been grading
they couldn't have been grading	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I grade?
could you grade?
could she grade?
could we grade?
could you grade?
could they grade? 	could I be grading?
could you be grading?
could she be grading?
could we be grading?
could you be grading?
could they be grading? 	could I have graded?
could you have graded?
could she have graded?
could we have graded?
could you have graded?
could they have graded? 	could I have been grading?
could you have been grading?
could she have been grading?
could we have been grading?
could you have been grading?
could they have been grading? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
couldn't I grade?
couldn't you grade?
couldn't she grade?
couldn't we grade?
couldn't you grade?
couldn't they grade? 	couldn't I be grading?
couldn't you be grading?
couldn't she be grading?
couldn't we be grading?
couldn't you be grading?
couldn't they be grading? 	couldn't I have graded?
couldn't you have graded?
couldn't she have graded?
couldn't we have graded?
couldn't you have graded?
couldn't they have graded? 	couldn't I have been grading?
couldn't you have been grading?
couldn't she have been grading?
couldn't we have been grading?
couldn't you have been grading?
couldn't they have been grading?