普本冠数形副介讲义概要1.docVIP

用法 例句 常用句型 It is not until…that 直到……才 It is not until 1998 that I knew his name. It is not until I left that I realized my mistake. It is+时间段+since+过去时 It has been+时间段+since+过去时 自从…… It is 10 years since I knew him It has been ten years since he stayed here. It is not long before It won’t be long before It is not long before they will find their mistakes. It won’t be long before they feel regret. It is/was +强调部分+that（强调时间、地点、其他） It is/was+强调部分+who/whom（强调人） It is Beijing that I was born in It is on Sunday that I met my teacher. It is he who helps me It is her whom I met last week find/think/feel it adj/ n+ to do sth 感觉、发现、认为做…怎么样（it做形式宾语） I find it difficult to learn English for me. I think it our duty to help the old. It is suggested/ordered/advised/ demanded/required that+ (should)+动词原形（虚拟语气）“据建议” It is important/necessary/strange that+(should)+动词的原形 It is a pity/no wander/wish that+(should)+动词原形… It is suggested that a good doctor should be sent to the village It is a pity that you lose the chance to get a good job. It is advised that more teachers be sent to the countryside. It is important that we learn two foreign languages. 第三章 冠词的用法 一。冠词的定义和分类 定义 分类 用法 例句 没有实际意义，放在名词前，帮助说明名词的含义 不定冠词：a，an a：表示“一”，用在以辅音因素开头的单词。（通常以辅音字母开头，个别例外） a book，a desk 特殊：hour，honor，honest用an an表示“一”，用在以元音因素开头的单词。（通常以元音字母开头，个别例外） an egg，an apple 特殊：University，one，European前用a（u发的辅音，one也是） 字母：l，m，s，x，r，h，f，n单独出现用“an”； 字母：u单独出现用“a” There is an “X” in word “box”. There is a “u” in word “use”. 定冠词：the 这、这个，表示特指 二。不定冠词的具体用法 单词 用途 例句 a，an表示一、一个 泛指一类人或物中的一个； He father works in a factory 表示一类人或者物，相当于any，不能译成”一” A horse is an animal 表示数量，有“一”的含义，但没有one强烈 Roman wasn’t built in a day 表示单位，有“每”的意思，多用来表示速度、价格等 Five yuan a kilo 30 kilometers an hour 用在首次提到的人或者物的单数名词前 An old man sits near the river 用在作表语的单数名词前，表示职业、行业等 She is an engineer 用在表示自然现象的名词前 Yesterday, it had a heavy rain. A snow hit the south in 2008. 三。必须加定冠词the的用法 用途 例词、例句 表示“特指” The woman