"Every" is always followed by a singular verb. That's because we refer to every single item, and NOT to all of them combined.

Reading can greatly help you in building vocabulary.

Do you know what's the difference between "been to" and "gone to"?

What's the difference between saying "I can't hear you" and "I can't listen to you"?

Well, these two words basically mean the same thing. However, there is a difference in the way we USE these words.

We use the word "whether" to show there is doubt about something, or that there are two different options.

English plural forms tend to be pretty simple, in most cases.

So what's the difference between "e.g." and "i.e."? These two come from Latin and they are quite common in English writing.