Tìm lỗi sai và sửa lại

đề bài tìm lỗi sai và sửa lại
1 we play games often after school
2 let's us go to the zoo tonight
3 what are the weather like in winter ?
4 it is often cold in the summer
5 my brother never goes swimming
6 minh is going to the market with i ?
7 i often do my homeworks at night
8 are they many students in your school ?
9 i need five hundreds grams of beef 
10 my father is a famer. He works in a farm