could grizzle
Regular verb: grizzle - grizzled- grizzled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could grizzle
you could grizzle
she could grizzle
we could grizzle
you could grizzle
they could grizzle 	I could be grizzling
you could be grizzling
she could be grizzling
we could be grizzling
you could be grizzling
they could be grizzling	I could have grizzled
you could have grizzled
she could have grizzled
we could have grizzled
you could have grizzled
they could have grizzled	I could have been grizzling
you could have been grizzling
she could have been grizzling
we could have been grizzling
you could have been grizzling
they could have been grizzling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not grizzle
you could not grizzle
she could not grizzle
we could not grizzle
you could not grizzle
they could not grizzle 	I could not be grizzling
you could not be grizzling
she could not be grizzling
we could not be grizzling
you could not be grizzling
they could not be grizzling	I could not have grizzled
you could not have grizzled
she could not have grizzled
we could not have grizzled
you could not have grizzled
they could not have grizzled	I could not have been grizzling
you could not have been grizzling
she could not have been grizzling
we could not have been grizzling
you could not have been grizzling
they could not have been grizzling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I grizzle?
could you grizzle?
could she grizzle?
could we grizzle?
could you grizzle?
could they grizzle? 	could I be grizzling?
could you be grizzling?
could she be grizzling?
could we be grizzling?
could you be grizzling?
could they be grizzling? 	could I have grizzled?
could you have grizzled?
could she have grizzled?
could we have grizzled?
could you have grizzled?
could they have grizzled? 	could I have been grizzling?
could you have been grizzling?
could she have been grizzling?
could we have been grizzling?
could you have been grizzling?
could they have been grizzling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not grizzle?
could you not grizzle?
could she not grizzle?
could we not grizzle?
could you not grizzle?
could they not grizzle? 	could I not be grizzling?
could you not be grizzling?
could she not be grizzling?
could we not be grizzling?
could you not be grizzling?
could they not be grizzling? 	could I not have grizzled?
could you not have grizzled?
could she not have grizzled?
could we not have grizzled?
could you not have grizzled?
could they not have grizzled? 	could I not have been grizzling?
could you not have been grizzling?
could she not have been grizzling?
could we not have been grizzling?
could you not have been grizzling?
could they not have been grizzling?