Interjections are commonly used at the beginning of the sentence. They're also associated with a punctuation mark designed to convey emotion: the exclamation point. For example: "Yikes, I didn't realize that there was a test on grammar today!"

How interjections can be used effectively?

An interjection is a noun that stands alone in a sentence and is designed to convey the emotion of the speaker or narrator. ... Interjections are often followed by an exclamation mark, leading people to refer to them as "exclamations." Examples of interjections are "Ouch!" and "Wow!" or even "Cheers!"

What is a interjections used for?

An interjection is a word or phrase that is grammatically independent from the words around it, and mainly expresses feeling rather than meaning.