Wrong. Either he or I goes.
Right. Either he goes or I go.
Revise. If he or I win the pole vault, Petersham will finish among the first three in the meet.
356. Repeat the auxiliary verb if necessary to make it agree with a second subject in a different person or number.
Wrong. Whether you or Jim is elected makes no difference to me.
Right. Whether you are elected or Jim is, makes no difference to me.
Revise. If you or any other student is caught cheating it means just one thing—expulsion of the guilty person.
357. Repeat is, are, was, were, etc., if the verb is used both as a copula and as an auxiliary.
Wrong. Their government was rude and founded solely upon custom.