Correct punctuation for this sentence My little sister is a big baby she cries all the time

Answer 1

The corrected sentence with proper punctuation is: "My little sister is a big baby; she cries all the time."

Alternatively, you could use a period or a conjunction:

• "My little sister is a big baby. She cries all the time."
• "My little sister is a big baby because she cries all the time."