prove

To prove is to show something is true or false.

• Can you prove who you are?
• You can prove who you are by showing an ID.
• Edgar proved he was 21 by showing a driver’s license.
• Regina has proven to everyone how good she is at acting (This sentence is in the present perfect tense).
• An experiment can prove whether or not a theory is correct or incorrect.
• A lawyer must prove that a person is guilty before he or she is convicted of a crime.
• A test proves whether or not a student has studied.
• The rumor about the family down the street proved to be false.
• David’s calculus class is proving to be difficult.
• This new software is proving to be effective in preventing problems.
• An eye exam proves how good your eyesight is.

The word "proven" is an adjective:

• This company has a proven track record in the area of employee safety.
• Proven results show that this method will help people lose weight.
• This type of apple tree is a proven winner when it comes to producing good apples.

The word "proof" is a noun:

• Can you show proof of your age?
• An ID is proof of who you say you are.
• There was no proof that the man stole the money, so he was let go.
• We have all the proof we need to make a decision.

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September 17, 2015