陈述句

　　(1)肯定句：是指用肯定的语气来陈述的句子，如：

　　I'm a student.

　　She is a doctor.

　　He works in a hospital.

　　There are four fans in our classroom.

　　He will eat lunch at 12:00.

　　I watched TV yesterday evening.

　　(2)否定句：含有否定词或表示否定意义词的句子，如：

　　I'm not a student.

　　She is not (isn't) a doctor.

　　He does not (doesn't) work in a hospital.

　　There are not (aren't) four fans in our classroom.

　　He will not (won't) eat lunch at 12:00.

　　I did not (didn't) watch TV yesterday evening.