should dredge
Regular verb: dredge - dredged- dredged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should dredge
you should dredge
he should dredge
we should dredge
you should dredge
they should dredge 	I should be dredging
you should be dredging
he should be dredging
we should be dredging
you should be dredging
they should be dredging	I should have dredged
you should have dredged
he should have dredged
we should have dredged
you should have dredged
they should have dredged	I should have been dredging
you should have been dredging
he should have been dredging
we should have been dredging
you should have been dredging
they should have been dredging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not dredge
you should not dredge
he should not dredge
we should not dredge
you should not dredge
they should not dredge 	I should not be dredging
you should not be dredging
he should not be dredging
we should not be dredging
you should not be dredging
they should not be dredging	I should not have dredged
you should not have dredged
he should not have dredged
we should not have dredged
you should not have dredged
they should not have dredged	I should not have been dredging
you should not have been dredging
he should not have been dredging
we should not have been dredging
you should not have been dredging
they should not have been dredging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I dredge?
should you dredge?
should he dredge?
should we dredge?
should you dredge?
should they dredge? 	should I be dredging?
should you be dredging?
should he be dredging?
should we be dredging?
should you be dredging?
should they be dredging? 	should I have dredged?
should you have dredged?
should he have dredged?
should we have dredged?
should you have dredged?
should they have dredged? 	should I have been dredging?
should you have been dredging?
should he have been dredging?
should we have been dredging?
should you have been dredging?
should they have been dredging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not dredge?
should you not dredge?
should he not dredge?
should we not dredge?
should you not dredge?
should they not dredge? 	should I not be dredging?
should you not be dredging?
should he not be dredging?
should we not be dredging?
should you not be dredging?
should they not be dredging? 	should I not have dredged?
should you not have dredged?
should he not have dredged?
should we not have dredged?
should you not have dredged?
should they not have dredged? 	should I not have been dredging?
should you not have been dredging?
should he not have been dredging?
should we not have been dredging?
should you not have been dredging?
should they not have been dredging?