We are always working /We always work till late at night before taking exams（正）

　　We should read books may be useful to us. （误）We should read books which may be useful to us. （正）

　　2、句子成分多余

　　This test is end， but there is another test is waiting for you. （误）One test ends， but another is waiting for you. （正）

　　The driver of the red car was died on the spot. （误）The driver of the red car died on the spot. （正）

　　3、主谓不一致

　　Someone/Somebody think that reading should be selective. （误）Some think that reading should be selective. （正）

　　My sister go to the cinema at least once a week. （误）My sister goes to the cinema at least once a week. （正）

　　4、动词时态、语态的误用

　　I was walking along the road， and there are not so many cars on the street. （误）I was walking along the road and there were not so many vehicles on the street. （正）

　　We have little time to read some books which we interest. （误）We have little time to read some books in which we are interested. （正）

　　I am a student who has studying in the college for two years. （误）I have been studying in the college for two years（正）