could forefend
Regular verb: forefend - forefended- forefended

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could forefend
you could forefend
he could forefend
we could forefend
you could forefend
they could forefend 	I could be forefending
you could be forefending
he could be forefending
we could be forefending
you could be forefending
they could be forefending	I could have forefended
you could have forefended
he could have forefended
we could have forefended
you could have forefended
they could have forefended	I could have been forefending
you could have been forefending
he could have been forefending
we could have been forefending
you could have been forefending
they could have been forefending	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not forefend
you could not forefend
he could not forefend
we could not forefend
you could not forefend
they could not forefend 	I could not be forefending
you could not be forefending
he could not be forefending
we could not be forefending
you could not be forefending
they could not be forefending	I could not have forefended
you could not have forefended
he could not have forefended
we could not have forefended
you could not have forefended
they could not have forefended	I could not have been forefending
you could not have been forefending
he could not have been forefending
we could not have been forefending
you could not have been forefending
they could not have been forefending	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I forefend?
could you forefend?
could he forefend?
could we forefend?
could you forefend?
could they forefend? 	could I be forefending?
could you be forefending?
could he be forefending?
could we be forefending?
could you be forefending?
could they be forefending? 	could I have forefended?
could you have forefended?
could he have forefended?
could we have forefended?
could you have forefended?
could they have forefended? 	could I have been forefending?
could you have been forefending?
could he have been forefending?
could we have been forefending?
could you have been forefending?
could they have been forefending? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not forefend?
could you not forefend?
could he not forefend?
could we not forefend?
could you not forefend?
could they not forefend? 	could I not be forefending?
could you not be forefending?
could he not be forefending?
could we not be forefending?
could you not be forefending?
could they not be forefending? 	could I not have forefended?
could you not have forefended?
could he not have forefended?
could we not have forefended?
could you not have forefended?
could they not have forefended? 	could I not have been forefending?
could you not have been forefending?
could he not have been forefending?
could we not have been forefending?
could you not have been forefending?
could they not have been forefending?