Incorrect usage - Correct usage:
1. Females - Women.
2. Family man - A man with a family.
3. Family member - A member of family.
4. To give key to the watch - To wind the watch.
5. Cousin brother/ Cousin sister - Cousin.
6. Passing marks - Pass marks.
7. What to speak of - Not to speak of.
8. An English teacher - A teacher of English.
9. Recall back - Recall.
10. Final Conclusion - Conclusion.