English verb conjugation
CAN DREDGE

Regular verb: dredge - dredged - dredged

Affirmation

Simple form	V-ing form
I can dredge you can dredge he can dredge we can dredge you can dredge they can dredge	I can be dredging you can be dredging he can be dredging we can be dredging you can be dredging they can be dredging
Perfect	V-ing perfect
I can have dredged you can have dredged he 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 he 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
I cannot dredge you cannot dredge he cannot dredge we cannot dredge you cannot dredge they cannot dredge	I cannot be dredging you cannot be dredging he cannot be dredging we cannot be dredging you cannot be dredging they cannot be dredging
Perfect	V-ing perfect
I cannot have dredged you cannot have dredged he cannot have dredged we cannot have dredged you cannot have dredged they cannot have dredged	I cannot have been dredging you cannot have been dredging he cannot have been dredging we cannot have been dredging you cannot have been dredging they cannot have been dredging

Interrogative form

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