初中英语语法(介词)

初中英语语法(介词)

2020-06-06 13:19:53 浏览次数:

  初中英语语法(介词)1.介词是英语中最活的一个知识点,要学好它要注意先记住它的最基本意思,再注意它的特殊用法,再者注重词组搭配的积累。

  2.表示时间的介词:

  辨析要牢记:

  1.in

  ,after

  in

  指从现在开始起往后推算一段时间

  (用将来时)He

  will

  arrive

  in

  two

  hours.他两个小时候会到的。

  after指从过去某时间往后推算一段时间。(用过去时)

  She

  stopped

  crying

  after

  one

  hour.一个小时候她停止了哭泣。

  2.for,since

  for

  后面接一段时间

  (用现在完成时)since

  后面接一具体时间

  (用现在完成时)I

  have

  learned

  English

  for

  ten

  years.我学英语已经十年了。

  I

  have

  learned

  English

  since

  ten

  years

  ago.我从十年前就开始学英语了。

  3.before,by,till/until

  before:表示在某一时间之前

  He’ll

  be

  here

  before

  5

  p.m.by:表示到某一时间之前为止,最晚不迟于……

  (用现在完成时或过去完成时)We

  have

  built

  three

  bridges

  by

  the

  end

  of

  the

  month.到月底之前我们已经造了三座桥。

  We

  had

  learned

  3000

  words

  by

  the

  end

  of

  last

  week.到上个星期为止,我们已经学习了3000个生词了。

  until:

  直到

  not…until

  (直到……才……)I

  didn’t

  finish

  my

  homework

  until

  9

  o’clock.我直到9点才完成我的回家作业。

  3.介词辨析:

  1.like,as

  as

  :作为一个……,like

  :像一个……

  He

  has

  been

  playing

  tennis

  as

  a

  professional

  for

  two

  years.他作为一个职业网球运动员打球已经有两年了。

  He

  plays

  tennis

  like

  a

  professional.他打起网球来像个职业运动员。

  2.besides,except,except

  for

  besides:

  此外还有,except

  :除……之外

  except

  for

  :

  除去的部分对整体没有影响

  All

  of

  us

  passed

  the

  exam

  besides

  Mark.(处马克通过考试之外,我们大家也通过了考试。)

  All

  of

  us

  passed

  the

  exam

  except

  Mark.(除马克没有通过考试之外,我们大家都通过了考试)Your

  composition

  is

  good

  except

  for

  a

  few

  spelling

  mistakes.(除了一些拼写错误,你的作文很不错)3.made

  of,made

  from

  他们都表示“……是用……做成的”made

  of

  :可以看出原材料的,made

  from

  :看不出原材料的

  The

  desk

  is

  made

  of

  wood.(桌子是由木头做的)The

  wine

  is

  made

  from

  grapes.(酒是由葡萄酿成的)4.be

  good

  at

  :擅长做某事

  be

  good

  for

  :对……有好处

  be

  good

  to:

  对某人友好

  be

  good

  with:

  善于处理比较难的人或事

  He

  is

  good

  at

  math.(他擅长数学)Vegetables

  are

  good

  for

  you

  health.(蔬菜对你的健康又好处)The

  old

  man

  was

  good

  to

  the

  children.(老人对孩子们很好)She

  was

  good

  with

  her

  boss.(她和她的老板处得很好)5.be

  familiar

  with:

  熟悉……

  be

  familiar

  to

  :

  被某人所熟悉

  He

  is

  familiar

  with

  Shanghai.(他很熟悉上海)Shanghai

  is

  familiar

  to

  him.(上海对他来说是很熟悉的)6.……(形容词)+enough

  for

  sb.To

  do

  sth

  The

  box

  is

  large

  enough

  for

  him

  to

  put

  all

  the

  books

  in

  it.这个盒子大的足以让我放进所有的书。

  too…(形容词)

  for

  sb.to

  do

  sth

  The

  math

  problem

  is

  too

  difficult

  for

  me

  to

  solve

  .这个数学题太难了,我解决不了。

  It’s

  +…(形容词)

  for

  sb

  to

  do

  sth

  It’s

  important

  for

  us

  to

  learn

  English

  well.对于我们来说,学好英语很重要。

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