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Dictionary-enhanced word family

Word Forms of “Open”

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Word Family of Open

What is the noun of open? — opening

opening

What is the verb of open? — open

open

What is the adjective of open? — open

open

What is the adverb of open? — openly

openly

How to Use Each Word Form in a Sentence

  • The door was open when I arrived. A1
  • They keep the shop open until nine every evening. A2
  • The field remained open to all visitors during the summer months. B1

Word Form Patterns for Open

-ly

Adds **-ly** to make an adverb describing how an action happens. Example: open → openly.

Origin and Word Formation of Open

From Old English 'open' meaning 'to uncover' or 'lay bare'.

Common Word Form Mistakes with Open

Wrong: The bank is opened at 9am.

Correct: The bank is open at 9am.

Use adjective 'open' for state; use 'opens' for regular action.

Wrong: Please to open the window.

Correct: Please open the window.

No 'to' after 'please'; use imperative form directly.

Frequently Asked Questions About Word Forms of Open

What are the word forms of “open”?

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 “open”?

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

Where does “open” come from?

From Old English 'open' meaning 'to uncover' or 'lay bare'.

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