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To check is to look at a person or a thing. It might be necessary to determine a condition or a situation when checking.

simple past past participle
  • A nurse will check your blood pressure before you give blood.
  • At a hospital, a doctor checks on his patients.
  • A mother checks on her kids.
  • A teacher checks the progress of his or her students.
  • You can check the weather by going online.
  • You can check the answers to a quiz or a test on this website.
  • A mechanic checked on the condition of a car that I was going to buy.
  • The plane was checked before it took off.
  • Tony has been checking the performance of a stock that he's planning to sell.
  • Thaddeus checked in at a hotel soon after he arrived in New York. (To check in is to appear at a place to say that you have arrived.)

The word "check" can also be used as a noun:

  • Rachel goes to the doctor once a year for a check up.
  • Audio engineers did a sound check before the performance.
  • The teacher put a large check at the top of the assignment to show that she had read it.
  • We wrote out a check to pay for our furniture. (A check is used when withdrawing money from a checking account.)

check mark A checkmark shows that something has been checked.

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November 3, 2015







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