can dredge
Regular verb: dredge - dredged- dredged

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't dredge
you can't dredge
she can't dredge
we can't dredge
you can't dredge
they can't dredge 	I can't be dredging
you can't be dredging
she can't be dredging
we can't be dredging
you can't be dredging
they can't be dredging	I can't have dredged
you can't have dredged
she can't have dredged
we can't have dredged
you can't have dredged
they can't have dredged	I can't have been dredging
you can't have been dredging
she can't have been dredging
we can't have been dredging
you can't have been dredging
they can't have been dredging	

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

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I dredge?
can't you dredge?
can't she dredge?
can't we dredge?
can't you dredge?
can't they dredge? 	can't I be dredging?
can't you be dredging?
can't she be dredging?
can't we be dredging?
can't you be dredging?
can't they be dredging? 	can't I have dredged?
can't you have dredged?
can't she have dredged?
can't we have dredged?
can't you have dredged?
can't they have dredged? 	can't I have been dredging?
can't you have been dredging?
can't she have been dredging?
can't we have been dredging?
can't you have been dredging?
can't they have been dredging?