331. To express determination on the part of the speaker, use will in the first person, shall in the second and third persons.

Wrong. He will tell you; I am determined.

Right. He shall tell you; I am determined.

Wrong. You will go; I have decided.

Right. You shall go; I have decided.

Revise. I shall do it; nobody can prevent me.

332. Make the tenses of parallel verbs conform to one another.

Wrong. I would go down to the library every Saturday and there I got a book about radio.

Right. I would go down to the library every Saturday and there I would get a book about radio.