433. Avoid an inconsistent change of number within the sentence.
Wrong. Tillie, Margaret, and Ann each took their seats.
Right. Tillie, Margaret, and Ann each took her seat.
Revise. Everybody should save their money while they are young.
434. Avoid an inconsistent change of tense within the sentence.
Wrong. As soon as the train came in, he hurries home.
Right. As soon as the train came in, he hurried home.
Revise. No matter what he tries, things never came out as he expected them to.
435. Avoid an inconsistent change of mood within the sentence.
Wrong. Unless it is too hard and take too much time I can finish by noon.