2.
1. english /speak/in the USA/britain/Australia /and/other/countries/the world
=> english is spoke in the USA of Britain and Australia anh other countries in the world
2. Must/ vietnamese students/be/ wear/uniforms / at school?
=> must vietnamese students be wore uniforms at school?
3. the floor/wash/Mary/every day/
=> the floor is washed by Mary everyday
4. Dinner/ will/ take/ a meeting hall
=> Dinner will be took a meeting hall
5. the accident / cause/ by / careless driver/ yesterday
=> the accident was caused by careless driver yesterday