Sure! Here's a clear and concise explanation:
1. The two words used incorrectly in the sentence are "accept" and "everyday."
2. The correct word to use in this context instead of "accept" is "except." "Except" is used to indicate exclusion or a situation where something is not included. In this case, it should be: "...except for when she's sick."
3. The correct form of "everyday" should be written as two words: "every day." "Every day" is used to refer to something that happens daily or on a regular basis. The corrected sentence would be: "Kendall tries to run three miles every day, except for when she's sick."
By making these corrections, the sentence will be grammatically accurate and clear in its meaning.