English verb conjugation
COULD REEXAMINE

Regular verb: reexamine - reexamined - reexamined

Affirmation

Simple form	V-ing form
I could reexamine you could reexamine he could reexamine we could reexamine you could reexamine they could reexamine	I could be reexamining you could be reexamining he could be reexamining we could be reexamining you could be reexamining they could be reexamining
Perfect	V-ing perfect
I could have reexamined you could have reexamined he could have reexamined we could have reexamined you could have reexamined they could have reexamined	I could have been reexamining you could have been reexamining he could have been reexamining we could have been reexamining you could have been reexamining they could have been reexamining

Negation

Simple form	V-ing form
I couldn't reexamine you couldn't reexamine he couldn't reexamine we couldn't reexamine you couldn't reexamine they couldn't reexamine	I couldn't be reexamining you couldn't be reexamining he couldn't be reexamining we couldn't be reexamining you couldn't be reexamining they couldn't be reexamining
Perfect	V-ing perfect
I couldn't have reexamined you couldn't have reexamined he couldn't have reexamined we couldn't have reexamined you couldn't have reexamined they couldn't have reexamined	I couldn't have been reexamining you couldn't have been reexamining he couldn't have been reexamining we couldn't have been reexamining you couldn't have been reexamining they couldn't have been reexamining

Interrogative form

Simple form	V-ing form
could I reexamine? could you reexamine? could he reexamine? could we reexamine? could you reexamine? could they reexamine?	could I be reexamining? could you be reexamining? could he be reexamining? could we be reexamining? could you be reexamining? could they be reexamining?
Perfect	V-ing perfect
could I have reexamined? could you have reexamined? could he have reexamined? could we have reexamined? could you have reexamined? could they have reexamined?	could I have been reexamining? could you have been reexamining? could he have been reexamining? could we have been reexamining? could you have been reexamining? could they have been reexamining?

Interro-negative form

Simple form	V-ing form
couldn't I reexamine? couldn't you reexamine? couldn't he reexamine? couldn't we reexamine? couldn't you reexamine? couldn't they reexamine?	couldn't I be reexamining? couldn't you be reexamining? couldn't he be reexamining? couldn't we be reexamining? couldn't you be reexamining? couldn't they be reexamining?
Perfect	V-ing perfect
couldn't I have reexamined? couldn't you have reexamined? couldn't he have reexamined? couldn't we have reexamined? couldn't you have reexamined? couldn't they have reexamined?	couldn't I have been reexamining? couldn't you have been reexamining? couldn't he have been reexamining? couldn't we have been reexamining? couldn't you have been reexamining? couldn't they have been reexamining?