English verb conjugation
COULD OVERSTRIKE

Regular verb: overstrike - overstriked - overstriked

Affirmation

Simple form	V-ing form
I could overstrike you could overstrike she could overstrike we could overstrike you could overstrike they could overstrike	I could be overstriking you could be overstriking she could be overstriking we could be overstriking you could be overstriking they could be overstriking
Perfect	V-ing perfect
I could have overstriked you could have overstriked she could have overstriked we could have overstriked you could have overstriked they could have overstriked	I could have been overstriking you could have been overstriking she could have been overstriking we could have been overstriking you could have been overstriking they could have been overstriking

Negation

Simple form	V-ing form
I could not overstrike you could not overstrike she could not overstrike we could not overstrike you could not overstrike they could not overstrike	I could not be overstriking you could not be overstriking she could not be overstriking we could not be overstriking you could not be overstriking they could not be overstriking
Perfect	V-ing perfect
I could not have overstriked you could not have overstriked she could not have overstriked we could not have overstriked you could not have overstriked they could not have overstriked	I could not have been overstriking you could not have been overstriking she could not have been overstriking we could not have been overstriking you could not have been overstriking they could not have been overstriking

Interrogative form

Simple form	V-ing form
could I overstrike? could you overstrike? could she overstrike? could we overstrike? could you overstrike? could they overstrike?	could I be overstriking? could you be overstriking? could she be overstriking? could we be overstriking? could you be overstriking? could they be overstriking?
Perfect	V-ing perfect
could I have overstriked? could you have overstriked? could she have overstriked? could we have overstriked? could you have overstriked? could they have overstriked?	could I have been overstriking? could you have been overstriking? could she have been overstriking? could we have been overstriking? could you have been overstriking? could they have been overstriking?

Interro-negative form

Simple form	V-ing form
could I not overstrike? could you not overstrike? could she not overstrike? could we not overstrike? could you not overstrike? could they not overstrike?	could I not be overstriking? could you not be overstriking? could she not be overstriking? could we not be overstriking? could you not be overstriking? could they not be overstriking?
Perfect	V-ing perfect
could I not have overstriked? could you not have overstriked? could she not have overstriked? could we not have overstriked? could you not have overstriked? could they not have overstriked?	could I not have been overstriking? could you not have been overstriking? could she not have been overstriking? could we not have been overstriking? could you not have been overstriking? could they not have been overstriking?