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-Was it thin?-Yes,it__________________ [ ]A. wasn'tB．was C．is-四年级英语
[db:作者]  2019-08-24 00:00:00  零零社区

题文

-Was it thin?       
-Yes,it__________________          
[     ]
A. wasn't            
B．was            
C．is
题型：单选题  难度：中档

答案

B

据专家权威分析，试题“-Was it thin?-Yes,it__________________ [ ]A. wasn'tB．was ..”主要考查你对  一般过去时，动词过去式  等考点的理解。关于这些考点的“档案”如下：

一般过去时，动词过去式

考点名称：一般过去时，动词过去式

  • 一般过去时：
    表示过去某个时间里发生的动作或状态；过去习惯性、经常性的动作、行为；过去主语所具备的能力和性格。
    be动词在第一人称是单数和第三人称是单数是用was，其余用were。
    a. 表示在过去时间里所发生的动作或存在的状态，常与表示过去的时间状语。
    yesterday（昨天）、last week   （上星期）、an hour ago（一小时前）等连用。 
      例：I went to the zoo with my father last Sunday. 上周日我和我爸爸去动物园了。
         They weren't able to come because they were so busy.他太忙了，所以去不了。
    b. 表示在过去一段时间里，经常性或习惯性的动作或状态。 
      例：My brother watched the World Cup every day last month.上个月哥哥每天都看世界杯比赛。

  • 一般过去时句法结构：
    肯定形式
    主语+动词过去式+其他
    例句：She often came to help us in those days.

    否定形式
    ①was/were+not；②在行为动词前加didn't，同时还原行为动词
    例句：I didn't know you like coffee

    一般疑问句
    ①Did+主语+do+其他？ ②Was\Were+主语+表语?
    例句：Did I do that?
    用表格整理如下：
    肯定式 疑问式 否定式 疑问否定式
    Iworked Did I work? I did not work Did I not work?
    He(She,It) worked Did he(she,it) work? He(she,it) did not work Did he(she,it) notwork?
    We worked Did we work? We did not work Did we not work?
    You worked Did you work? You did not work Did you not work?
    They worked Did they work? They did not work Did they not work?

    结构句型:
    1．一般句子
    I watched TV last night.
    2．一般疑问句
    Did you watch TV last night？
    3．there be 句型
    There was an apple on the table last night.
    Was there an apple on the table last night

  • 一般过去时用法口诀：
    一般过去时并不难，过去动作、状态记心间。
    动词要用过去式，时间状语句末站。
    否定句很简单，didn't 站在动原前，其它部分不要变。
    一般疑问句也好变，did放在句子前，主语、动原、其它部分依次站。
    特殊疑问句也简单，疑问词加一般疑问句记心间。
    最后一条请注意，动词过去式要牢记！

  •  过去式和过去分词的构成表：

    词

    构成

    举例

    一般情况

    词尾+ed

    动词原形

    过去式和过去分词

    look
    talk

    looked
    talked

    以不发音字母e结尾

    词尾+d

    like
    arrive

    liked
    arrived

    以“辅以字母+y”结尾

    变y为i，再加ed

    fly
    study

    flied
    studied

    以重读闭音节结尾，且末尾只有一个辅音字母

    双写词尾+ed

    stop
    plan

    stopped
    planned 

    不规则变化的动词过去式：
    have---had are---were get---got say---said feel---felt do/does---did is---was go---went   drink--drank eat--ate bring----brought think----thought
    buy----bought catch---- caught teach ---- taught sit----sat wear----wore cut----cut sweep----swept sleep——slept become----became
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