中考英语冲刺：语法易错题汇总（三）
英语语法一直是中国学生学习英语的难点；初中阶段的语法虽然简单，却是学习英语的基础，也是中考的必考；人教学习网总结易错语法题并解析，希望能帮到大家：
31. 〔误〕he became a writter at his twenties 〔正〕he became a writter in his twenties
〔析〕这句话应译为：他在20多岁时就成了作家。在某人的一段生活时间段中要用介词in来表示，而在具体岁数时用at来表示。
32. 〔误〕we went to swim in the river in a very hot day. 〔正〕we went to swim in the river on a very hot day.
33. 〔误〕i can help you repair this bike. you will get it after two hours.
〔正〕i can help you repair this bike. you will get it in two hours. 〔析〕中文经常讲两小时之后来取，两天内会修好，而这个介词在英文中要用in而不要用after。
其原因有二，①after 多用于过去时，如：i arrived in new york. after three days, i found a job in the bank.
②after 加时间是表达一个不确定的时间范围，如：after three days, 即三天之后的哪一天都可以。所以在许诺若干时间内会完成某事时，一定要用介词in。
34. 〔误〕in the beginning of the book, there are some interesting stories. 〔正〕at the beginning of the book, there are some interesting stories.
〔析〕at the begining与at the end都是指某事物的开始与结束部分，均不指时间范围，而in the beginning 则是指开始一段时间。in the end＝at last是指"最终，终于"之意。
35. 〔误〕 till the end of next week. i will h**e finished this work.
〔正〕 by the end of next week. i will h**e finished this work. 〔析〕 by 引起的时间状语表示了动作的截止点，其意思为"不迟于某一时刻将工作做完"，所以主句一般是完成时态。
当然可以有将来时态，如：ill be there by five oclock.而till则表达其一动作一直持续到某一时刻，但句中的动词一定要用持续性动词，而瞬间的截止性动词应用其否定句式，如：
i wont finish this work till（until） next weekend.
36. 〔误〕he came to london before last weekend. 〔正〕he had come to london before last weekend.
37.〔误〕he lived in no. 3 beijing road. 〔正〕he lived at no. 3 beijing road.
〔析〕在门牌号码前要用at, 并要注意它的惯用法：at the end of the street, at the foot of the mountain, at the top of the page。
〔正〕he came to london two weeks ago. 〔析〕before 一般要与完成时连用，而ago则与一般过去时连用。
38. 〔误〕i h**e studied english for three years gince i had come here.正 i h**e studied english for three years since i came here.
析 since用来表达主句动作的开始时间，所以其引出的从句中应为过去时，而不能用完成时态。
39.〔误〕there is a colour tv set at the corner of the hall. 〔正〕there is a colour tv set in the corner of the hall.
〔析〕 在屋内的角落应用in，而墙的外角用at，如：there is a tree at the corner of the street.
〔析〕具体某一天要用介词on, 又如：on new years day
40. 〔误〕i'm looking forward to seeing you on christmas. 〔正〕i'm looking for ward to seeing you at christmas.
〔析〕在节日的当天用on，而全部节日期间用at,christmas是圣诞节期间，一般要有两周或更长的时间。
41. 误 i h**ent see you during the summer holidays. 正 i h**ent seen you since the beginning of the summer holidays.
〔析〕 during表示在某一段时间之内，所以一般不与完成时搭配，如：i visited a lot of museums during the holiday. 而for表示一段时间，可以用于完成时，如：
i h**ent see you for a long time. 而through 用来表示时间时则为"整整，全部的时间"。如：
it rained through the night.而since则是表达主句动作的起始时间，一般要与完成时连用。
42. 〔误〕at entering the classroom, i heard the good news. 〔正〕on entering the classroom, i heard the good news.
〔析〕on 加动名词表示"一……就"。本句的译文应是：我一进入教室就听见这个好消息了。
又如：on hearing… 一听见，on arrival 一到达就……（on表示动作的名词）
43. 〔误〕do you know there is some good news on todays news*****? 〔正〕do you know there is some good news in todays news*****?
〔析〕 在报纸上的新闻要用in, 而在具体某一版上，或某一页上则要用on。
44. 〔误〕the school will begin on september 1st. 〔正〕school will begin on september 1st.
〔析〕这里的school应看作不可数名词泛指学校的课程，即开学之意。要注意，有些活动场所当表达正在从事该种活动时不要加冠词，如：at table （吃饭）， when i came to toms home, they were at table.
还有： at desk （学习），at work （工作） at school （上学）， in hospital （住医院） at church 作礼拜如加上定冠词则另有他意，如：at the school 即在学校工作或办事，in the hospital 即在医院工作或去看望病人。
45. 〔误〕i'll le**e beijing to shanghai tomorrow. 〔正〕i'll le**e beijing for shanghai.
〔正〕i'll le**e for shanghai.
46.〔误〕she hid herself after the tree. 〔正〕she hid herself behind the tree.
〔析〕after多用来表达某动作之后，所以有的语法书中称它为动态介词，如：i run after him. after finishing my homework, i went to see a film.
而behind则多用于静态事物之后。
47.〔误〕three days after he died. 〔正〕after three days he died.
〔正〕three days later he died.
〔析〕after 与 later都可以用来表达一段时间之后，但它们所处的位置不同，after 在时间词前，而later在时间词后。
48.〔误〕shanghai is on the east of china. 〔正〕shanghai is in the east of china.
〔析〕 在表达地理位置时有3个介词：in, on, to。 in表示在某范围之内； on表示与某地区接壤；to则表示不相接。
如：japan is to the east of china.
49.〔误〕there is a beautiful bird on the tree. 〔正〕there is a beautiful bird in the tree.
〔析〕 树上长出的果实，树叶要用on, 而其他外来的人、物体均要用in the tree.
50.〔误〕i arrived at new york on july 2nd. 〔正〕i arrived in new york on july 2nd.
〔析〕at用来表达较小的地方，而in用来表达较大的地方。at常用于at the school gate, at home, at a bus stop, at the station, at the cinema, at a small village。
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