too…to…句式用法详解

1、too to句式用法详解too - to结构是初中英语中一个十分重要的结构,同时也是中考英语中一个十分重要的考点,同学们在学习或复习中应注意以下几点：一、根本结构特点too比结构的根本形式为“too+形容词或副词+to+动词原形,其意为“太 以至于不能.如：He is too shy to speak to her.他太害羞,不敢同她讲话.It ' s too cheap to be good.这东西太廉价,好不了即廉价无好货.He is too young to know right from wrong.他太/、,还分不¥青是E.二、不定式的逻辑主语有时不定式前可以带有一

2、个由介词for引出的逻辑主语.如：It ' s too expensive for her to buy.太贵了,她买不起.The box is too heavy for the boy to carry.这个箱子太重, 这男孩提不起.The print is too small for me to read without glasses.印刷字体太小,我不戴眼镜就看不活.三、不定式是否带宾语他太累了,不能再往前走了不定式在通常情况下,too - to结构中的不定式可根据其是否及物来确定它是否带宾 语.如：He is too tired to go any further.to g

3、o不及物,无需带宾语She is too poor to buy such a nice a dress.她太穷,买不起那件漂亮的连衣裙.不定式 to buy 后带有宾语 such a nice a dress但是,假设句子主语与其后不定式有动宾关系,那么,其后的及物动词不定式不能带宾语.如：The nice dress is too expensive for her to buy.这件漂亮的连衣裙太贵了,她买不起.to buy 在此虽为及物动词,但由于句子主语 the nice dress 与该 不定式to buy有动宾关系,故to buy后不宜再接代词it作宾语注意：假设句子主语与其后不

4、定式有动宾关系,且其中的动词为不及物动词,此时应注意在其后加适当的介词.如：The room is too dirty to live in.这房间太脏,不能住.句末的介词in不可省略四、不定式是否用被动语态上面讲到,假设句子主语与其后不定式有动宾关系,其后作为及物动词的不定式不再带宾语.此时还需注意,该不定式通常也不用被动式,尽管意义上是被动的.如：The text is too difficult to understand.这课文太难了,理解不了.The text is too difficult for the students to understand.这课文太难了,学生理解不了.

5、但在某些特殊的语境,其中的不定式必须要用被动式.如：He spoke in a voice too low to be heard.他说话的声音太低,听不见.He is too young to be sent to America for advanced study.他太年轻,不能送到美国去深造.五、与so such - that结构的转换1. The box is too heavy for me to carry.t The box is so heavy that I can ' t carry it.t It is such a heavy box that I can &

6、#39; t carry it.2. The child is too young to dress himself.tThe child is so young that he can ' t dress himself.tHe is such a young child that he can ' t dress himself.yygrammar.注：有时还可与not - enough to转换,但此时要注意把原句型中的形容词改 为相对应的反义词.如：The child is too young to dress himself.t The child is not ol

7、d enough to dress himself.六、too - to -有时可表小肯定意义在以下几种情况,too - to 结构可以表示肯定意义,而不是否认意义：1. 当不定式前有否认词修饰时.比拟：He is too foolish to understand this.他太蠢,不会明白这一点.He is too clever not to understand this.他太聪明,不会不明白这一点.2. 当副词too的前面有否认词修饰时.如：Never too old to learn.活到老学到老.直译：永远不会太老而不能学习It ' s never too late to stop smoking.会太迟而不能戒烟戒烟何时都不算晚.直译：永远不3.当副词too后面修饰的形容词是glad, ready, pleased等表示“积极意义 的词汇时.如：I ' m too glad to see you again.乂见至U你我彳艮快乐.We are too ready to h