Check these, please!

[Anonymous]

Hi,
Please check these sentences and correct them.
1. (The) People [working, who works] in this factory are all very skilled carpenters.
2. Do you see the people [working, who works] over there? They are all my brothers or/and cousins.
3. Generally the boys and girls [going, who go] to school on foot aren't late for school, but those who their parent(s) drive(s) are often late. Why? It's because the former use(s) cars [if, in case] they are late.
4. Passengers travelling on this bus buy their tickets in books.
5. This is a guide for people wishing to plan for future incapacity.
6. The number of people wishing to emigrate has considerably reduced for the last 5 years.
7. The number of people believing in god increases in hard time(s).
Thanks a million.
Ann

[Rusty]

1. (The) People [working, who work <strike> s </strike>] in this factory are all very skilled carpenters.
2. Do you see the people [working, who work <strike> s </strike>] over there? They are all my brothers or/and cousins.
3. Generally the boys and girls [going, who go] to school on foot aren't late for school, but those who(m) their parent(s) drive(s) are often late. Why?
It's because the former use <strike>(s)</strike> cars [if, <strike>in case</strike>] they are late. (The former refers to the boys and girls who usually go on foot. This does not answer the question in regard to those whose parents drive them).
4. Passengers travelling on this bus buy their tickets in books.
5. This is a guide for people wishing to plan for future incapacity.
6. The number of people wishing to emigrate has considerably reduced for the last 5 years.
7. The number of people believing in God increases in hard times.