would strengthen
Regular verb: strengthen - strengthened- strengthened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I would strengthen
you would strengthen
he would strengthen
we would strengthen
you would strengthen
they would strengthen 	I would be strengthening
you would be strengthening
he would be strengthening
we would be strengthening
you would be strengthening
they would be strengthening	I would have strengthened
you would have strengthened
he would have strengthened
we would have strengthened
you would have strengthened
they would have strengthened	I would have been strengthening
you would have been strengthening
he would have been strengthening
we would have been strengthening
you would have been strengthening
they would have been strengthening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I would not strengthen
you would not strengthen
he would not strengthen
we would not strengthen
you would not strengthen
they would not strengthen 	I would not be strengthening
you would not be strengthening
he would not be strengthening
we would not be strengthening
you would not be strengthening
they would not be strengthening	I would not have strengthened
you would not have strengthened
he would not have strengthened
we would not have strengthened
you would not have strengthened
they would not have strengthened	I would not have been strengthening
you would not have been strengthening
he would not have been strengthening
we would not have been strengthening
you would not have been strengthening
they would not have been strengthening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I strengthen?
would you strengthen?
would he strengthen?
would we strengthen?
would you strengthen?
would they strengthen? 	would I be strengthening?
would you be strengthening?
would he be strengthening?
would we be strengthening?
would you be strengthening?
would they be strengthening? 	would I have strengthened?
would you have strengthened?
would he have strengthened?
would we have strengthened?
would you have strengthened?
would they have strengthened? 	would I have been strengthening?
would you have been strengthening?
would he have been strengthening?
would we have been strengthening?
would you have been strengthening?
would they have been strengthening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I not strengthen?
would you not strengthen?
would he not strengthen?
would we not strengthen?
would you not strengthen?
would they not strengthen? 	would I not be strengthening?
would you not be strengthening?
would he not be strengthening?
would we not be strengthening?
would you not be strengthening?
would they not be strengthening? 	would I not have strengthened?
would you not have strengthened?
would he not have strengthened?
would we not have strengthened?
would you not have strengthened?
would they not have strengthened? 	would I not have been strengthening?
would you not have been strengthening?
would he not have been strengthening?
would we not have been strengthening?
would you not have been strengthening?
would they not have been strengthening?