Answer :
Let's address each sentence separately:
She have finished her homework already.
- Correction: She has finished her homework already.
- Explanation: 'She' is a singular subject, so we use 'has' instead of 'have'.
I didn't never see that movie before.
- Correction: I have never seen that movie before.
- Explanation: Use correct verb form 'have seen' for present perfect and avoid double negatives ('didn't never').
They sees each other every day at school.
- Correction: They see each other every day at school.
- Explanation: 'They' is plural, so the verb should be 'see' not 'sees'.
He has went to the market an hour ago.
- Correction: He went to the market an hour ago.
- Explanation: 'Went' is the past simple of 'go'. The usage of 'has' is unnecessary here because of the specific past time mentioned.
That the man which lives next door is a pilot.
- Correction: That man who lives next door is a pilot.
- Explanation: 'Who' is used for people, whereas 'which' is usually used for things.
My parents has lived in this city since 1990.
- Correction: My parents have lived in this city since 1990.
- Explanation: 'Parents' is plural, so use 'have'.
We gave gifts to one and other.
- Correction: We gave gifts to one another.
- Explanation: 'One another' is the correct expression to use.
This is the book who I borrowed from the library.
- Correction: This is the book that I borrowed from the library.
- Explanation: Use 'that' for objects like books.
I am knowing him for a long time.
- Correction: I have known him for a long time.
- Explanation: 'Have known' is the correct present perfect form for continuous or past situations.
They was very happy to see each other again.
- Correction: They were very happy to see each other again.
- Explanation: 'They' is plural, so use 'were' instead of 'was'.
Have you ever eat Japanese food?
- Correction: Have you ever eaten Japanese food?
- Explanation: 'Eaten' is the correct past participle form of 'eat'.
She walks to school yesterday because her bike was broken.
- Correction: She walked to school yesterday because her bike was broken.
- Explanation: Use past tense 'walked' for actions that occurred in the past.
The teacher that she is very kind helped me with my project.
- Correction: The teacher, who is very kind, helped me with my project.
- Explanation: 'Who' is appropriate for referring to people; the sentence structure was adjusted for clarity.
Me and my sister helps one another with homework.
- Correction: My sister and I help one another with homework.
- Explanation: 'My sister and I' is the correct subject form, and 'help' matches the plural subject.
He didn't went to the party last night.
- Correction: He didn't go to the party last night.
- Explanation: 'Go' should be in base form after 'didn't' because auxiliary verbs (do, does, did) are followed by base forms.