English verb conjugation
COULD PAD

Regular verb: pad - padded - padded

Affirmation

Simple form	V-ing form
I could pad you could pad he could pad we could pad you could pad they could pad	I could be padding you could be padding he 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 he 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 he 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 he 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 he 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 he 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 he 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 he pad? could we pad? could you pad? could they pad?	could I be padding? could you be padding? could he 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 he 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 he 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 he 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 he 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 he 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 he have been padding? couldn't we have been padding? couldn't you have been padding? couldn't they have been padding?