Aide vs. Aid

Are you an aid or an aide to your boss?

Aid can be used as a noun meaning a form of help or a verb meaning to help.

- We offer aid to people affected by disaster.
- We aid those affected by disaster.

Aide is a noun and means an assistant.

- John Taylor is the senator's aide.
- You are an aide to your boss.

That or Which?

That = introduces essential information: “The mystery book that is on the third shelf is mine” means that there is more than one mystery book and mine is the one on the third shelf.

Which = introduces nonessential information: “The mystery book, which is on the third shelf, is mine” means that there is only one mystery book, it is on the third shelf, and it is mine.

E-mail Etiquette

Do
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