中考英语语法难点大全介词。
i. 要点。
1、介词和种类。
(1) 简单介词，常用的有at, in, on, about, across, before, beside, for , to, without等。
(2) 复合介词，如by means of, along with, because of, in front of, instead of等。
2、介词和其他词类的习惯搭配关系。
(1) 和动词的搭配，如agree with, ask for, belong to, break away from, care about等。
(2) 和形容词的搭配，如afraid of, angry with, different from, good at
(3) 和名词的搭配，如answer to , key to, reason for, cause of, visit to等。
3、介词短语可以有自己的修饰语，这种修饰语通常有right, just, badly, all, well, directly, completely等少数几个副词。如：
he came right after dinner.
he lives directly opposite the school.
4、 某些介词的意义与用法举例。
(1) at, on, in(表时间)
表示时间点用at,如at four o'clock, at midnight等；表示不确定的时间或短期假日也用at,如at that time, at christmas等。
指某天用on, 如on monday, on the end of november, 指某天的朝夕用on,如on friday morning, on the afternoon of september lst等。
指长于或短于一天的时段用in,如in the afternoon, in february, in summer, in 1999等。
(2) between, among(表位置)
between仅用于二者之间，但说三者或三者以上中的每两个之间的相互关系时，也用between, 如。
i'm sitting between tom and alice.
the village lies between three hills.
among用于三者或三者以上之间。如：
he is the best among the students.
(3) beside, besides
beside意为"在…旁边"，而besides意为"除…之外"。如：
he sat beside me.
what do you want besides this?
(4)in the tree, on the tree
in the tree 指动物或人在树上，而on the tree 指果实、树叶长在树上。
(5)on the way, in the way, by the way, in this way
on the way 指在路上 in the way 指挡道。
by the way 指顺便问一句 in this way 用这样的方法。
(6)in the corner, at the corner
in the corner 指在拐角内 at the corner 指在拐角外。
(7)in the morning, on the morning
in the morning 是一般说法 on the morning 特指某一天的早晨。
(8)by bus, on the bus
by bus 是一般说法 on the bus 特指乘某一辆车。
ii. 例题。
例1 do you know any other foreign language___english?
a except b but c beside d besides
解析：a、b两项except等于but，意为"除了…"，c-beside意为"在…旁边"，不符合题意。而d-besides, 意为"除了…之外，还有"。
所以该题正确答案为d。该题意为：除了英语外，你还知道别的语言吗？
例2 he suddenly returned __a rainy night.
a on b at c in d during
解析：我们均知道，at night这一短语，但如果night前有修饰词，表具体的夜晚，则要用介词on来修饰，故该题正确答案为a。
例3 i'm looking forward __your letter.
a to b in c at d on
解析：该题正确答案为a。look forward to 为固定搭配，意为"期望、盼望"。
连词。i. 要点。
1、 连词的种类。
(1) 并列连词用来连接并列关系的词、短语或分句，如and, for, or, both…and, either…or, neither…nor等。
(2) 从属连词用来引导从句，如that, if, whether, when, after, as soon as等。
除了从属连词(引导状语从句)外，还有其它可以用来引导从句的词类。它们是连接代词和连接副词(引导名词性从句)，关系代词和关系副词(引导定语从句)。
2、 常用连词举例。
(1)and 和，并且
they drank and sang all night.
(2) both…and 和， 既…也…
both my parents and i went there.
(3) but 但是，而。
i'm sad, but he is happy.
(4) either…or 或…或…， 要么…要么…
either you're wrong, or i am.
(5) for因为。
i asked him to stay, for i had something to tell him.
(6) however 然而，可是。
af first, he didn't want to go there. later, however, he decided to go.
(7) neither…nor 既不…也不。
neither my parents nor my aunt agrees with you.
(8) not only…but(also) 不但…而且…
he not only sings well, but also dances well.
(9) or 或者，否则。
hurry up, or you'll be late.
are you a worker or a doctor?
(10) so 因此，所以。
it's getting late, so i must go.
(11) although 虽然。
although it was late, they went on working.
(12) as soon as 一 …就。
i'll tell him as soon as i see him.
(13) because 因为。
he didn't go to school, because he was ill.
(14)unless 除非，如果不。
i won't go unless it is fine tomorrow.
(15)until 直到…
he didn't le**e until eleven. (瞬间动词用于not… until 结构)
he stayed there until eleven.
(16)while 当…时候，而 (表示对比)
while i stayed there, i met a friend of mine. (while后不可用瞬间动词)
my pen is red while his is blue.
(17)for 因为。
he was ill, for he didn't come. (结论是推断出来的)
(18)since自从…
i h**e lived here since my uncle left.
(19)hardly… when 一… 就。
i had hardly got to the station when the train left.
(20)as far as 就… 来说。
as far as i know, that country is very small.
you may walk as far as the lake. (一直走到湖那里)
ii. 例题。
例1 john plays football __if not better than, d**id.
a as well b as well as c so well d so well as
解析：该题意为：john踢足球如果不比d**id好的话，那也踢得和d**id一样好。 和…一样好为as well as. 故该题正确答案为b。
例2 she thought i was talking about her daughter, _in fact, i was talking about my daughter.
a when b where c which d while
解析：该处意为"然而"，只有while有此意思，故选d。
例3 would you like a cup of coffee __shall we get down to business right away?
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