English verb conjugation
COULD PAD

Regular verb: pad - padded - padded

Affirmation

Simple form	V-ing form
I could pad you could pad she could pad we could pad you could pad they could pad	I could be padding you could be padding she could be padding we could be padding you could be padding they could be padding
Perfect	V-ing perfect
I could have padded you could have padded she could have padded we could have padded you could have padded they could have padded	I could have been padding you could have been padding she could have been padding we could have been padding you could have been padding they could have been padding

Negation

Simple form	V-ing form
I couldn't pad you couldn't pad she couldn't pad we couldn't pad you couldn't pad they couldn't pad	I couldn't be padding you couldn't be padding she couldn't be padding we couldn't be padding you couldn't be padding they couldn't be padding
Perfect	V-ing perfect
I couldn't have padded you couldn't have padded she couldn't have padded we couldn't have padded you couldn't have padded they couldn't have padded	I couldn't have been padding you couldn't have been padding she couldn't have been padding we couldn't have been padding you couldn't have been padding they couldn't have been padding

Interrogative form

Simple form	V-ing form
could I pad? could you pad? could she pad? could we pad? could you pad? could they pad?	could I be padding? could you be padding? could she be padding? could we be padding? could you be padding? could they be padding?
Perfect	V-ing perfect
could I have padded? could you have padded? could she have padded? could we have padded? could you have padded? could they have padded?	could I have been padding? could you have been padding? could she have been padding? could we have been padding? could you have been padding? could they have been padding?

Interro-negative form

Simple form	V-ing form
couldn't I pad? couldn't you pad? couldn't she pad? couldn't we pad? couldn't you pad? couldn't they pad?	couldn't I be padding? couldn't you be padding? couldn't she be padding? couldn't we be padding? couldn't you be padding? couldn't they be padding?
Perfect	V-ing perfect
couldn't I have padded? couldn't you have padded? couldn't she have padded? couldn't we have padded? couldn't you have padded? couldn't they have padded?	couldn't I have been padding? couldn't you have been padding? couldn't she have been padding? couldn't we have been padding? couldn't you have been padding? couldn't they have been padding?