句型
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.
☆注意☆ 小结:否定句主要是在肯定句的基础上加上了否定词 “not”。有动词be的句子则“not”加在be后面,可缩写
成“isn’t,aren’t”,但am not 一般都分开写。没有动词be的句子则要先在主要动词的前面加上一个助动词(do,does,
did),然后在它后
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