English verb conjugation
COULD PLAT

Regular verb: plat - plated - plated

Affirmation

Simple form	V-ing form
I could plat you could plat he could plat we could plat you could plat they could plat	I could be plating you could be plating he could be plating we could be plating you could be plating they could be plating
Perfect	V-ing perfect
I could have plated you could have plated he could have plated we could have plated you could have plated they could have plated	I could have been plating you could have been plating he could have been plating we could have been plating you could have been plating they could have been plating

Negation

Simple form	V-ing form
I couldn't plat you couldn't plat he couldn't plat we couldn't plat you couldn't plat they couldn't plat	I couldn't be plating you couldn't be plating he couldn't be plating we couldn't be plating you couldn't be plating they couldn't be plating
Perfect	V-ing perfect
I couldn't have plated you couldn't have plated he couldn't have plated we couldn't have plated you couldn't have plated they couldn't have plated	I couldn't have been plating you couldn't have been plating he couldn't have been plating we couldn't have been plating you couldn't have been plating they couldn't have been plating

Interrogative form

Simple form	V-ing form
could I plat? could you plat? could he plat? could we plat? could you plat? could they plat?	could I be plating? could you be plating? could he be plating? could we be plating? could you be plating? could they be plating?
Perfect	V-ing perfect
could I have plated? could you have plated? could he have plated? could we have plated? could you have plated? could they have plated?	could I have been plating? could you have been plating? could he have been plating? could we have been plating? could you have been plating? could they have been plating?

Interro-negative form

Simple form	V-ing form
couldn't I plat? couldn't you plat? couldn't he plat? couldn't we plat? couldn't you plat? couldn't they plat?	couldn't I be plating? couldn't you be plating? couldn't he be plating? couldn't we be plating? couldn't you be plating? couldn't they be plating?
Perfect	V-ing perfect
couldn't I have plated? couldn't you have plated? couldn't he have plated? couldn't we have plated? couldn't you have plated? couldn't they have plated?	couldn't I have been plating? couldn't you have been plating? couldn't he have been plating? couldn't we have been plating? couldn't you have been plating? couldn't they have been plating?