句型转换,每空一词。1. This is my ruler.(改为一般疑问句)_____ this _____ ruler?2. That is an eraser.(对画线部分提问)_____is _____?3. I'm OK. (对画线部分-七年级英语

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The river appeared as if enveloped in smog.
那条河好像笼罩在烟雾之中。
It seems as if it were spring already.
好像已是春天了。
②可用于“It+系动词+that从句”结构的有:seem, appear, 不可用be, look。如:
It seemed that he had made some serious mistakes in his work.
好像他在工作中犯了严重错误。
It appeared that he was talking to himself.
好像他在自言自语。
③能用不定式作表语的系动词有:be, seem, get, look, appear, prove, grow.
Her job is to look after the children.
她的工作是照料孩子们。
He seems not to look after the children.
他好像不是她的父亲。
She looks to be a young girl of twenty year-old.
她看起来像是一个20岁的年轻姑娘。
He didn’t appear to dislike it.
看不出他憎恨此事。
My advice proved to be wrong.
我的建议证明是错误的。
He will grow to like this work gradually.
他会逐渐喜欢这个工作的。
④能与there连用的系动词有:be, appear, seem.
There appeared to be only one room.
那儿好像只有一个房间。
There seems(to be)no need to go.
似乎没有必要走。

6.能用两种否定形式的系动词有两个:seem, appear.
举例说明:
It doesn’t seem that we can get our money back.= It seems that we can’t get our money back.
He seems not to be her father.= He doesn’t seem to be her father.
The baby doesn’t appear to be awake.= The baby appears not to be awake.

7.后接作表语的过去分词可构成系表结构
能构成系表结构的系动词通常有两个:第一个是常见的be(is, am, was等);第二个是get,口语中常用。
当二者作系动词用时,它们均表示一种存在状态,而不表示被动动作;当二者作助动词用时,后接作谓语的过去分词构成被动语态。
Be + P.P常可以用get + P.P.来代替,但是并不是be系动词总是可以用get来代替。Get + P.P.系表结构常用于以下两种情况:
1)表示偶然的、突发性的、意想不到的被动动作的结果或状态。
Last night I got caught in the downpour.昨夜我被雨淋了(表示意想不到)
The new car got scratched.新车给刮坏了。(表突发性)
2)表示对自身所作的事。如get dressed, get lost等。
John got injured while playing football last Saturday.约翰上周星期六踢足球时受了伤。
They got married last month.他们上个月结婚了。
另外,要注意区分系表结构与被动语态结构的用法。

考点名称:特殊疑问句

  • 特殊疑问句:
    以特殊疑问词开头,对句中某一成分提问的句子叫特殊疑问句。
    常用的疑问词有:what、who、whose、which、when、where、how、why等。
    特殊疑问句的基本结构是“疑问词+一般疑问句”。
    其回答应当是具体的。特殊疑问句句末一般用降调。 
    例如:How do I get there? 
                Why not? 
                What about the sports news?

  • 常用疑问词可先分为3种:
    疑问代词:
    what(什么)
    who(谁,作主语)
    which(哪个,在一定范围内选择)
    whose(谁的,指附属关系)
    whom(谁,作宾语)

    疑问副词:
    when(何时,询问时间)
    where(何地,询问地点)
    why(为什么,询问原因)
    how(如何,询问手段,方式,工具以及程度)

    疑问形容词:
    what(which,whose)+名词
    例词:
    what time(什么时候) what colour(什么颜色)... ...
    how much(多少) how long(多长)...

  • 特殊疑问句的特点:
    一、 特殊的疑问词:
    特殊疑问句要由疑问代词或疑问副词开头,询问的内容不同, 使用的疑问词也不同。
    我们学过的疑问词有what(询问事物), how much(询问价格), what time (询问时间,尤其是点钟), what kind of(询问种类), why(询问原因),who(询问人), where(询问地点) 等等。如:
    —What is this? 这是什么?
    —It's a key. 这是一把钥匙。
    —How much is it? 这个多少钱?
    —It's twenty dollars. 二十美元。
    —What kind of movies do you like? 你喜欢哪一类型的电影?
    —I like action movies. 我喜欢动作片。

    二、特殊的语序:
    特殊疑问句由疑问词开头,其构成是“疑问词 + 一般疑问句”。如:
    What time is it? 现在几点钟?
    Who is your teacher? 谁是你的老师?
    特殊疑问句有两种语序:
    1.如疑问词作主语或主语的定语,即对主语或主语的定语提问,其语序是陈述句的语序:
    Who is singing in the room﹖
    whose bike is broken﹖
    2.如疑问词作其他成分,即对其他成分提问,其语序是:
    特殊疑问词+一般疑问句(特殊疑问词+be/助动词/情态动词+主语+谓语)
    What does she like?
    What class are you in﹖
    Where are you from﹖
    What time does he get up every morning﹖
    How do you know﹖
     
    三、特殊的答语:
    特殊疑问句不能用yes, no来回答,而应根据它所询问的内容直接做出回答才行。如:
    — What time is it, please? 请问几点了?
    — It's 7:30. 七点半了。
    — Where are they? 他们在哪儿?
    —They're in the playground. 他们在操场上。
    —What's your favorite subject? 你最喜爱的科目是什么?
    —English. 英语。

    四、 特殊的语调:
    一般情况下,特殊疑问句要用降调(↘)来读。如:
    Who's ↘that?
    How old is↘Jack?

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