English verb conjugation
CAN DEFAT

Regular verb: defat - defated - defated

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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