could inch
Regular verb: inch - inched- inched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could inch
you could inch
he could inch
we could inch
you could inch
they could inch 	I could be inching
you could be inching
he could be inching
we could be inching
you could be inching
they could be inching	I could have inched
you could have inched
he could have inched
we could have inched
you could have inched
they could have inched	I could have been inching
you could have been inching
he could have been inching
we could have been inching
you could have been inching
they could have been inching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not inch
you could not inch
he could not inch
we could not inch
you could not inch
they could not inch 	I could not be inching
you could not be inching
he could not be inching
we could not be inching
you could not be inching
they could not be inching	I could not have inched
you could not have inched
he could not have inched
we could not have inched
you could not have inched
they could not have inched	I could not have been inching
you could not have been inching
he could not have been inching
we could not have been inching
you could not have been inching
they could not have been inching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I inch?
could you inch?
could he inch?
could we inch?
could you inch?
could they inch? 	could I be inching?
could you be inching?
could he be inching?
could we be inching?
could you be inching?
could they be inching? 	could I have inched?
could you have inched?
could he have inched?
could we have inched?
could you have inched?
could they have inched? 	could I have been inching?
could you have been inching?
could he have been inching?
could we have been inching?
could you have been inching?
could they have been inching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not inch?
could you not inch?
could he not inch?
could we not inch?
could you not inch?
could they not inch? 	could I not be inching?
could you not be inching?
could he not be inching?
could we not be inching?
could you not be inching?
could they not be inching? 	could I not have inched?
could you not have inched?
could he not have inched?
could we not have inched?
could you not have inched?
could they not have inched? 	could I not have been inching?
could you not have been inching?
could he not have been inching?
could we not have been inching?
could you not have been inching?
could they not have been inching?