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 couldn't recheck you couldn't recheck he couldn't recheck we couldn't recheck you couldn't recheck they couldn't recheck	I couldn't be rechecking you couldn't be rechecking he couldn't be rechecking we couldn't be rechecking you couldn't be rechecking they couldn't be rechecking
Perfect	V-ing perfect
I couldn't have rechecked you couldn't have rechecked he couldn't have rechecked we couldn't have rechecked you couldn't have rechecked they couldn't have rechecked	I couldn't have been rechecking you couldn't have been rechecking he couldn't have been rechecking we couldn't have been rechecking you couldn't have been rechecking they couldn't 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
couldn't I recheck? couldn't you recheck? couldn't he recheck? couldn't we recheck? couldn't you recheck? couldn't they recheck?	couldn't I be rechecking? couldn't you be rechecking? couldn't he be rechecking? couldn't we be rechecking? couldn't you be rechecking? couldn't they be rechecking?
Perfect	V-ing perfect
couldn't I have rechecked? couldn't you have rechecked? couldn't he have rechecked? couldn't we have rechecked? couldn't you have rechecked? couldn't they have rechecked?	couldn't I have been rechecking? couldn't you have been rechecking? couldn't he have been rechecking? couldn't we have been rechecking? couldn't you have been rechecking? couldn't they have been rechecking?