English verb conjugation
COULD DEFAT

Regular verb: defat - defated - defated

Affirmation

Simple form	V-ing form
I could defat you could defat he could defat we could defat you could defat they could defat	I could be defating you could be defating he could be defating we could be defating you could be defating they could be defating
Perfect	V-ing perfect
I could have defated you could have defated he could have defated we could have defated you could have defated they could have defated	I could have been defating you could have been defating he could have been defating we could have been defating you could have been defating they could have been defating

Negation

Simple form	V-ing form
I could not defat you could not defat he could not defat we could not defat you could not defat they could not defat	I could not be defating you could not be defating he could not be defating we could not be defating you could not be defating they could not be defating
Perfect	V-ing perfect
I could not have defated you could not have defated he could not have defated we could not have defated you could not have defated they could not have defated	I could not have been defating you could not have been defating he could not have been defating we could not have been defating you could not have been defating they could not have been defating

Interrogative form

Simple form	V-ing form
could I defat? could you defat? could he defat? could we defat? could you defat? could they defat?	could I be defating? could you be defating? could he be defating? could we be defating? could you be defating? could they be defating?
Perfect	V-ing perfect
could I have defated? could you have defated? could he have defated? could we have defated? could you have defated? could they have defated?	could I have been defating? could you have been defating? could he have been defating? could we have been defating? could you have been defating? could they have been defating?

Interro-negative form

Simple form	V-ing form
could I not defat? could you not defat? could he not defat? could we not defat? could you not defat? could they not defat?	could I not be defating? could you not be defating? could he not be defating? could we not be defating? could you not be defating? could they not be defating?
Perfect	V-ing perfect
could I not have defated? could you not have defated? could he not have defated? could we not have defated? could you not have defated? could they not have defated?	could I not have been defating? could you not have been defating? could he not have been defating? could we not have been defating? could you not have been defating? could they not have been defating?