English verb conjugation
CAN FOREFEND

Regular verb: forefend - forefended - forefended

Affirmation

Simple form	V-ing form
I can forefend you can forefend she can forefend we can forefend you can forefend they can forefend	I can be forefending you can be forefending she can be forefending we can be forefending you can be forefending they can be forefending
Perfect	V-ing perfect
I can have forefended you can have forefended she can have forefended we can have forefended you can have forefended they can have forefended	I can have been forefending you can have been forefending she can have been forefending we can have been forefending you can have been forefending they can have been forefending

Negation

Simple form	V-ing form
I can't forefend you can't forefend she can't forefend we can't forefend you can't forefend they can't forefend	I can't be forefending you can't be forefending she can't be forefending we can't be forefending you can't be forefending they can't be forefending
Perfect	V-ing perfect
I can't have forefended you can't have forefended she can't have forefended we can't have forefended you can't have forefended they can't have forefended	I can't have been forefending you can't have been forefending she can't have been forefending we can't have been forefending you can't have been forefending they can't have been forefending

Interrogative form

Simple form	V-ing form
can I forefend? can you forefend? can she forefend? can we forefend? can you forefend? can they forefend?	can I be forefending? can you be forefending? can she be forefending? can we be forefending? can you be forefending? can they be forefending?
Perfect	V-ing perfect
can I have forefended? can you have forefended? can she have forefended? can we have forefended? can you have forefended? can they have forefended?	can I have been forefending? can you have been forefending? can she have been forefending? can we have been forefending? can you have been forefending? can they have been forefending?

Interro-negative form

Simple form	V-ing form
can't I forefend? can't you forefend? can't she forefend? can't we forefend? can't you forefend? can't they forefend?	can't I be forefending? can't you be forefending? can't she be forefending? can't we be forefending? can't you be forefending? can't they be forefending?
Perfect	V-ing perfect
can't I have forefended? can't you have forefended? can't she have forefended? can't we have forefended? can't you have forefended? can't they have forefended?	can't I have been forefending? can't you have been forefending? can't she have been forefending? can't we have been forefending? can't you have been forefending? can't they have been forefending?