English verb conjugation
COULD INCH

Regular verb: inch - inched - inched

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
I couldn't inch you couldn't inch he couldn't inch we couldn't inch you couldn't inch they couldn't inch	I couldn't be inching you couldn't be inching he couldn't be inching we couldn't be inching you couldn't be inching they couldn't be inching
Perfect	V-ing perfect
I couldn't have inched you couldn't have inched he couldn't have inched we couldn't have inched you couldn't have inched they couldn't have inched	I couldn't have been inching you couldn't have been inching he couldn't have been inching we couldn't have been inching you couldn't have been inching they couldn't have been inching

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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
couldn't I inch? couldn't you inch? couldn't he inch? couldn't we inch? couldn't you inch? couldn't they inch?	couldn't I be inching? couldn't you be inching? couldn't he be inching? couldn't we be inching? couldn't you be inching? couldn't they be inching?
Perfect	V-ing perfect
couldn't I have inched? couldn't you have inched? couldn't he have inched? couldn't we have inched? couldn't you have inched? couldn't they have inched?	couldn't I have been inching? couldn't you have been inching? couldn't he have been inching? couldn't we have been inching? couldn't you have been inching? couldn't they have been inching?