Cold, cold, cold!
Jessy caught a cold. Her mom said that it was because of not washing her hands cleanly. Jessy did not wash her hands when she came back from school. And also, she caught a cold because she wasn't wearing warm clothes in winter. She didn't eat vegetables. Her mom gave her tomatoes, carrot and other vegetables, but she didn't eat them. Her mom said it was her fault.
She couldn't play with her friends or go to the movies. She had to stay at home. Her mom cooked her favorite soup. Warm and delicious soup. Jessy's mother put little mushrooms, carrots and black beans. However, Jessy didn't notice and ate it tasty. Her mom also let her have fun with indoor sports. Jessy thought indoor sports as a game. She became healthy.
Now, She can play with her friends. She wears warm clothes at winter and night. She is a good and healthy girl.

Julie: Jessy caught a cold. Her mom says it is because she was not washing her hands cleanly. Jessy wasn't washing her hands when she came back from school.
And also, she caught a cold because She wasn't wearing warm clothes at winter. She didn't ate vegetables. Her mom gave her tomatoes, carrot and other vegetables, but she didn't ate it. Her mom said it was her fault.

Correct: Jessy caught a cold. Her mom said that it was because of not washing her hands cleanly. Jessy did not wash her hands when she came back from school. And also, she caught a cold because she wasn't wearing warm clothes in winter. She didn't eat vegetables. Her mom gave her tomatoes, carrot and other vegetables, but she didn't eat them. Her mom said it was her fault.

Explanation: When using did the main verb must be in present tense.

Julie: She couldn't play with her friends or go to the movies. She had to stay home. Her mom gave her soup. Her favorite soup. Warm and delicious soup. Jessy's mother put little mushrooms, carrots and black beans. However, Jessy didn't noticed and ate it tasty. Her mom also let her have fun with indoor sports. Jessy thought indoor sports as a game. She became healthy.

Correct: She couldn't play with her friends or go to the movies. She had to stay at home. Her mom cooked her favorite soup. Warm and delicious soup. Jessy's mother put little mushrooms, carrots and black beans. However, Jessy didn't notice and ate it tasty. Her mom also let her have fun with indoor sports. Jessy thought indoor sports as a game. She became healthy.

Explanation: Again, when using did the main verb must be in present tense.

Hello Julie! You made a good composition. You just have to be mindful when using did.:)