What is an at sign?

On the Internet, @ (pronounced "at" or "at sign" or "address sign") is the symbol in an E-mail address that separates the name of the user from the user's Internet address, as in this hypothetical e-mail address example: [email protected].

What is the difference between at and on?

At or on? We use at to talk about public holidays and weekends, but when we talk about a particular special day or weekend, we use on. We never go away at the New Year because the traffic is awful. On New Year’s Day, the whole family gets together. I’ll go and see my mother at the weekend if the weather’s okay.

How do I learn the correct use of at?

The best way to learn the correct usage of at is to pay attention to people speaking and to what you're reading, and then keep practicing. For more preposition practice, check out:

How do you use at in a sentence?

At is also used in phrasal verbs such as 'keep on at' and 'play at'. You use at to indicate the place or event where something happens or is situated . We had dinner at a restaurant in Attleborough. He will be at the airport to meet her. I didn't like being alone at home. Hamstrings are supporting muscles at the back of the thigh.