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Dictionary-enhanced word family

Word Forms of “Is”

The word used with 'he', 'she', 'it', or a singular noun to show that someone or something exists or has qualities.

Word Family of Is

What is the noun of is? — being

being

What is the verb of is? — be

be

How to Use Each Word Form in a Sentence

  • She is a teacher at the school. A1
  • It is very cold outside today. A1
  • The capital of France is Paris. A1

Origin and Word Formation of Is

From Old English 'is', part of the verb 'be', one of the oldest verbs in English.

The most frequently used verb in English. Essential for basic sentences: 'She is happy.' 'This is a book.'

Common Word Form Mistakes with Is

Wrong: The dogs is playing in the park.

Correct: The dogs are playing in the park.

Plural subjects need 'are'; use 'is' only with singular nouns and he/she/it.

Frequently Asked Questions About Word Forms of Is

What are the word forms of “is”?

The confirmed forms are shown in the word family cards above. Missing parts of speech are hidden instead of filled with placeholder text.

What part of speech is “is”?

“is” is primarily a verb. Some forms above show how the same root works as other parts of speech.

Where does “is” come from?

From Old English 'is', part of the verb 'be', one of the oldest verbs in English.

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