should shoulder
Regular verb: shoulder - shouldered- shouldered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should shoulder
you should shoulder
she should shoulder
we should shoulder
you should shoulder
they should shoulder 	I should be shouldering
you should be shouldering
she should be shouldering
we should be shouldering
you should be shouldering
they should be shouldering	I should have shouldered
you should have shouldered
she should have shouldered
we should have shouldered
you should have shouldered
they should have shouldered	I should have been shouldering
you should have been shouldering
she should have been shouldering
we should have been shouldering
you should have been shouldering
they should have been shouldering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not shoulder
you should not shoulder
she should not shoulder
we should not shoulder
you should not shoulder
they should not shoulder 	I should not be shouldering
you should not be shouldering
she should not be shouldering
we should not be shouldering
you should not be shouldering
they should not be shouldering	I should not have shouldered
you should not have shouldered
she should not have shouldered
we should not have shouldered
you should not have shouldered
they should not have shouldered	I should not have been shouldering
you should not have been shouldering
she should not have been shouldering
we should not have been shouldering
you should not have been shouldering
they should not have been shouldering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I shoulder?
should you shoulder?
should she shoulder?
should we shoulder?
should you shoulder?
should they shoulder? 	should I be shouldering?
should you be shouldering?
should she be shouldering?
should we be shouldering?
should you be shouldering?
should they be shouldering? 	should I have shouldered?
should you have shouldered?
should she have shouldered?
should we have shouldered?
should you have shouldered?
should they have shouldered? 	should I have been shouldering?
should you have been shouldering?
should she have been shouldering?
should we have been shouldering?
should you have been shouldering?
should they have been shouldering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not shoulder?
should you not shoulder?
should she not shoulder?
should we not shoulder?
should you not shoulder?
should they not shoulder? 	should I not be shouldering?
should you not be shouldering?
should she not be shouldering?
should we not be shouldering?
should you not be shouldering?
should they not be shouldering? 	should I not have shouldered?
should you not have shouldered?
should she not have shouldered?
should we not have shouldered?
should you not have shouldered?
should they not have shouldered? 	should I not have been shouldering?
should you not have been shouldering?
should she not have been shouldering?
should we not have been shouldering?
should you not have been shouldering?
should they not have been shouldering?