Sentence examples for there are four from inspiring English sources

The phrase "there are four" is correct and usable in written English.
It is commonly used to indicate the presence or quantity of something. Here are some examples: 1. "There are four chairs around the table." (indicating the number of chairs present) 2. "I opened the box and there are four cookies left." (indicating the remaining quantity) 3. "There are four seasons in a year." (indicating a fact or general truth) 4. "Can you see the birds? There are four of them." (indicating the number observed) 5. "I received four messages, but there are only three that I need to respond to." (indicating the number of relevant messages).