English verb conjugation
COULD REDESIGN

Regular verb: redesign - redesigned - redesigned

Affirmation

Simple form	V-ing form
I could redesign you could redesign he could redesign we could redesign you could redesign they could redesign	I could be redesigning you could be redesigning he could be redesigning we could be redesigning you could be redesigning they could be redesigning
Perfect	V-ing perfect
I could have redesigned you could have redesigned he could have redesigned we could have redesigned you could have redesigned they could have redesigned	I could have been redesigning you could have been redesigning he could have been redesigning we could have been redesigning you could have been redesigning they could have been redesigning

Negation

Simple form	V-ing form
I couldn't redesign you couldn't redesign he couldn't redesign we couldn't redesign you couldn't redesign they couldn't redesign	I couldn't be redesigning you couldn't be redesigning he couldn't be redesigning we couldn't be redesigning you couldn't be redesigning they couldn't be redesigning
Perfect	V-ing perfect
I couldn't have redesigned you couldn't have redesigned he couldn't have redesigned we couldn't have redesigned you couldn't have redesigned they couldn't have redesigned	I couldn't have been redesigning you couldn't have been redesigning he couldn't have been redesigning we couldn't have been redesigning you couldn't have been redesigning they couldn't have been redesigning

Interrogative form

Simple form	V-ing form
could I redesign? could you redesign? could he redesign? could we redesign? could you redesign? could they redesign?	could I be redesigning? could you be redesigning? could he be redesigning? could we be redesigning? could you be redesigning? could they be redesigning?
Perfect	V-ing perfect
could I have redesigned? could you have redesigned? could he have redesigned? could we have redesigned? could you have redesigned? could they have redesigned?	could I have been redesigning? could you have been redesigning? could he have been redesigning? could we have been redesigning? could you have been redesigning? could they have been redesigning?

Interro-negative form

Simple form	V-ing form
couldn't I redesign? couldn't you redesign? couldn't he redesign? couldn't we redesign? couldn't you redesign? couldn't they redesign?	couldn't I be redesigning? couldn't you be redesigning? couldn't he be redesigning? couldn't we be redesigning? couldn't you be redesigning? couldn't they be redesigning?
Perfect	V-ing perfect
couldn't I have redesigned? couldn't you have redesigned? couldn't he have redesigned? couldn't we have redesigned? couldn't you have redesigned? couldn't they have redesigned?	couldn't I have been redesigning? couldn't you have been redesigning? couldn't he have been redesigning? couldn't we have been redesigning? couldn't you have been redesigning? couldn't they have been redesigning?