Choose the correct modal constructions.

Choose the correct option.

Jeffrey [should have fed|should feed|should fed] the cat, but he didn't.

Alice and Grace [must leave|must left|must have left] for London; I didn't see them yesterday.

We [might have seen|might have saw|might see] him; we were at the mall at the same time!

Indira [can't has painted|can't have painted|can't painted] the graffiti; she's a good student.

Pete's parents [need to worry|needn't have worrying|needn't have worried] about his marks; he aced the test as always!