1. Jim
play the violin wonderfully. She loves music.

2. Dan
repair his computer, he knows it well.

3. Daniel
print these documents last week.
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1. Jim plays the violin wonderfully. She loves music.

In this sentence, there is an error in the subject and verb agreement. "Jim" is a male name, so we should use the pronoun "he" instead of "she" since it refers to Jim. Additionally, the verb "play" should be changed to "plays" to match the singular subject "Jim". The corrected sentence would be:

"Jim plays the violin wonderfully. He loves music."

2. Dan repair his computer, he knows it well.

In this sentence, there is a missing verb and a subject-verb agreement error. The verb "repair" should be changed to "repairs" to match the singular subject "Dan". Additionally, we need to add the verb "can" before "repair" to make it a complete sentence. The corrected sentence would be:

"Dan can repair his computer, he knows it well."

3. Daniel print these documents last week.

In this sentence, there is a tense error. The verb "print" should be changed to "printed" to indicate that the action happened in the past. The corrected sentence would be:

"Daniel printed these documents last week."

Please note that these corrections are made based on standard grammar rules. It is important to proofread and edit your sentences for correct grammar usage.