English verb conjugation
COULD RETYPE

Regular verb: retype - retyped - retyped

Affirmation

Simple form	V-ing form
I could retype you could retype she could retype we could retype you could retype they could retype	I could be retyping you could be retyping she could be retyping we could be retyping you could be retyping they could be retyping
Perfect	V-ing perfect
I could have retyped you could have retyped she could have retyped we could have retyped you could have retyped they could have retyped	I could have been retyping you could have been retyping she could have been retyping we could have been retyping you could have been retyping they could have been retyping

Negation

Simple form	V-ing form
I couldn't retype you couldn't retype she couldn't retype we couldn't retype you couldn't retype they couldn't retype	I couldn't be retyping you couldn't be retyping she couldn't be retyping we couldn't be retyping you couldn't be retyping they couldn't be retyping
Perfect	V-ing perfect
I couldn't have retyped you couldn't have retyped she couldn't have retyped we couldn't have retyped you couldn't have retyped they couldn't have retyped	I couldn't have been retyping you couldn't have been retyping she couldn't have been retyping we couldn't have been retyping you couldn't have been retyping they couldn't have been retyping

Interrogative form

Simple form	V-ing form
could I retype? could you retype? could she retype? could we retype? could you retype? could they retype?	could I be retyping? could you be retyping? could she be retyping? could we be retyping? could you be retyping? could they be retyping?
Perfect	V-ing perfect
could I have retyped? could you have retyped? could she have retyped? could we have retyped? could you have retyped? could they have retyped?	could I have been retyping? could you have been retyping? could she have been retyping? could we have been retyping? could you have been retyping? could they have been retyping?

Interro-negative form

Simple form	V-ing form
couldn't I retype? couldn't you retype? couldn't she retype? couldn't we retype? couldn't you retype? couldn't they retype?	couldn't I be retyping? couldn't you be retyping? couldn't she be retyping? couldn't we be retyping? couldn't you be retyping? couldn't they be retyping?
Perfect	V-ing perfect
couldn't I have retyped? couldn't you have retyped? couldn't she have retyped? couldn't we have retyped? couldn't you have retyped? couldn't they have retyped?	couldn't I have been retyping? couldn't you have been retyping? couldn't she have been retyping? couldn't we have been retyping? couldn't you have been retyping? couldn't they have been retyping?