English verb conjugation
COULD DIKE

Regular verb: dike - diked - diked

Affirmation

Simple form	V-ing form
I could dike you could dike she could dike we could dike you could dike they could dike	I could be diking you could be diking she could be diking we could be diking you could be diking they could be diking
Perfect	V-ing perfect
I could have diked you could have diked she could have diked we could have diked you could have diked they could have diked	I could have been diking you could have been diking she could have been diking we could have been diking you could have been diking they could have been diking

Negation

Simple form	V-ing form
I couldn't dike you couldn't dike she couldn't dike we couldn't dike you couldn't dike they couldn't dike	I couldn't be diking you couldn't be diking she couldn't be diking we couldn't be diking you couldn't be diking they couldn't be diking
Perfect	V-ing perfect
I couldn't have diked you couldn't have diked she couldn't have diked we couldn't have diked you couldn't have diked they couldn't have diked	I couldn't have been diking you couldn't have been diking she couldn't have been diking we couldn't have been diking you couldn't have been diking they couldn't have been diking

Interrogative form

Simple form	V-ing form
could I dike? could you dike? could she dike? could we dike? could you dike? could they dike?	could I be diking? could you be diking? could she be diking? could we be diking? could you be diking? could they be diking?
Perfect	V-ing perfect
could I have diked? could you have diked? could she have diked? could we have diked? could you have diked? could they have diked?	could I have been diking? could you have been diking? could she have been diking? could we have been diking? could you have been diking? could they have been diking?

Interro-negative form

Simple form	V-ing form
couldn't I dike? couldn't you dike? couldn't she dike? couldn't we dike? couldn't you dike? couldn't they dike?	couldn't I be diking? couldn't you be diking? couldn't she be diking? couldn't we be diking? couldn't you be diking? couldn't they be diking?
Perfect	V-ing perfect
couldn't I have diked? couldn't you have diked? couldn't she have diked? couldn't we have diked? couldn't you have diked? couldn't they have diked?	couldn't I have been diking? couldn't you have been diking? couldn't she have been diking? couldn't we have been diking? couldn't you have been diking? couldn't they have been diking?