English verb conjugation
COULD RESTATE

Regular verb: restate - restated - restated

Affirmation

Simple form	V-ing form
I could restate you could restate he could restate we could restate you could restate they could restate	I could be restating you could be restating he could be restating we could be restating you could be restating they could be restating
Perfect	V-ing perfect
I could have restated you could have restated he could have restated we could have restated you could have restated they could have restated	I could have been restating you could have been restating he could have been restating we could have been restating you could have been restating they could have been restating

Negation

Simple form	V-ing form
I couldn't restate you couldn't restate he couldn't restate we couldn't restate you couldn't restate they couldn't restate	I couldn't be restating you couldn't be restating he couldn't be restating we couldn't be restating you couldn't be restating they couldn't be restating
Perfect	V-ing perfect
I couldn't have restated you couldn't have restated he couldn't have restated we couldn't have restated you couldn't have restated they couldn't have restated	I couldn't have been restating you couldn't have been restating he couldn't have been restating we couldn't have been restating you couldn't have been restating they couldn't have been restating

Interrogative form

Simple form	V-ing form
could I restate? could you restate? could he restate? could we restate? could you restate? could they restate?	could I be restating? could you be restating? could he be restating? could we be restating? could you be restating? could they be restating?
Perfect	V-ing perfect
could I have restated? could you have restated? could he have restated? could we have restated? could you have restated? could they have restated?	could I have been restating? could you have been restating? could he have been restating? could we have been restating? could you have been restating? could they have been restating?

Interro-negative form

Simple form	V-ing form
couldn't I restate? couldn't you restate? couldn't he restate? couldn't we restate? couldn't you restate? couldn't they restate?	couldn't I be restating? couldn't you be restating? couldn't he be restating? couldn't we be restating? couldn't you be restating? couldn't they be restating?
Perfect	V-ing perfect
couldn't I have restated? couldn't you have restated? couldn't he have restated? couldn't we have restated? couldn't you have restated? couldn't they have restated?	couldn't I have been restating? couldn't you have been restating? couldn't he have been restating? couldn't we have been restating? couldn't you have been restating? couldn't they have been restating?