English verb conjugation
COULD RECHECK

Regular verb: recheck - rechecked - rechecked

Affirmation

Simple form	V-ing form
I could recheck you could recheck he could recheck we could recheck you could recheck they could recheck	I could be rechecking you could be rechecking he could be rechecking we could be rechecking you could be rechecking they could be rechecking
Perfect	V-ing perfect
I could have rechecked you could have rechecked he could have rechecked we could have rechecked you could have rechecked they could have rechecked	I could have been rechecking you could have been rechecking he could have been rechecking we could have been rechecking you could have been rechecking they could have been rechecking

Negation

Simple form	V-ing form
I could not recheck you could not recheck he could not recheck we could not recheck you could not recheck they could not recheck	I could not be rechecking you could not be rechecking he could not be rechecking we could not be rechecking you could not be rechecking they could not be rechecking
Perfect	V-ing perfect
I could not have rechecked you could not have rechecked he could not have rechecked we could not have rechecked you could not have rechecked they could not have rechecked	I could not have been rechecking you could not have been rechecking he could not have been rechecking we could not have been rechecking you could not have been rechecking they could not have been rechecking

Interrogative form

Simple form	V-ing form
could I recheck? could you recheck? could he recheck? could we recheck? could you recheck? could they recheck?	could I be rechecking? could you be rechecking? could he be rechecking? could we be rechecking? could you be rechecking? could they be rechecking?
Perfect	V-ing perfect
could I have rechecked? could you have rechecked? could he have rechecked? could we have rechecked? could you have rechecked? could they have rechecked?	could I have been rechecking? could you have been rechecking? could he have been rechecking? could we have been rechecking? could you have been rechecking? could they have been rechecking?

Interro-negative form

Simple form	V-ing form
could I not recheck? could you not recheck? could he not recheck? could we not recheck? could you not recheck? could they not recheck?	could I not be rechecking? could you not be rechecking? could he not be rechecking? could we not be rechecking? could you not be rechecking? could they not be rechecking?
Perfect	V-ing perfect
could I not have rechecked? could you not have rechecked? could he not have rechecked? could we not have rechecked? could you not have rechecked? could they not have rechecked?	could I not have been rechecking? could you not have been rechecking? could he not have been rechecking? could we not have been rechecking? could you not have been rechecking? could they not have been rechecking?