人教版 中考初中英语状语从句PPT课件
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初中英语状语从句课件(共68张ppt)
They had not been married four months before they were divorced. 他们结婚还不到四个 月就离婚了。
After you think it over, please let me know what you decide.你仔细考虑过以后，告诉我你是 怎样决定的。
外星人买纪念品时，那女孩给警察打了电话。(表示主句，从句
的动作同时发生，while后引导的状语从句的动词必须是延续动词不能
是点动词，因为它表示较长时间)
mother was worried because little alice was ill, especially as (when/ while) father was away.
我到那里时，正在下大雨。 ( 动作同时发生，when
可换为as, 但不能换为while，因为get是点动词.)
When I had read the article, he called me.
我看完这篇文章之后，她给我打了电话。( 从句动作
发生在主句之前，注意时态表达，只能用when )
When I got to the cinema, the film had begun.
when
1、还可以表示从句动词的动作在主几句动词的动作"
之前 "或"之后"发生。
2、when=and then; at that moment (正在那个时候)
while 1、用于时间较长时
2、 强调两个动作同时进行，并表示对比时
有时这三个连词可以互换，有时不可以。
It was raining hard when (as) I got there.
After you think it over, please let me know what you decide.你仔细考虑过以后，告诉我你是 怎样决定的。
外星人买纪念品时，那女孩给警察打了电话。(表示主句，从句
的动作同时发生，while后引导的状语从句的动词必须是延续动词不能
是点动词，因为它表示较长时间)
mother was worried because little alice was ill, especially as (when/ while) father was away.
我到那里时，正在下大雨。 ( 动作同时发生，when
可换为as, 但不能换为while，因为get是点动词.)
When I had read the article, he called me.
我看完这篇文章之后，她给我打了电话。( 从句动作
发生在主句之前，注意时态表达，只能用when )
When I got to the cinema, the film had begun.
when
1、还可以表示从句动词的动作在主几句动词的动作"
之前 "或"之后"发生。
2、when=and then; at that moment (正在那个时候)
while 1、用于时间较长时
2、 强调两个动作同时进行，并表示对比时
有时这三个连词可以互换，有时不可以。
It was raining hard when (as) I got there.
状语从句(43张PPT)初中英语专项复习课件
知识点 2 状语从句的连接词
(3) 强调句型：It is/was not until ... that ...
It was not until the professor came that we began the experiment. 直到教授来了，我们才开始做实验。 易错点：（1）till不可以置于句稿首定，PP而T until可以。 Until you told me I had no idea o稿新f定，itP上.P千T，款海模量板素选材择持总续有更一 直到你告诉我，我才知道这件事款适。合你
It’s three years since he joined the army.(自从......多久了......)
自从他参军已经三年了。
稿定PPT
稿定PPT，海量素材持续更
It's two years since we arrived新h，e上re千. 款我模们板选到择这总有儿一两年了。 款适合你
连词
常用句式
before It will be＋一段时间＋before ... 过……时间才……
since
It will not be/was not long＋before ... 不久就会/没多久就…… It was＋时间段＋befo稿稿r定e定P.P.P.TP，过T海了量素…材…持续(时更 间)才…… It is/has been＋一段时新间，上＋千s款in模c板e选..择. 总(从有一句用一般过去时)
as soon as / no sooner … than / hardly … when / the moment / the minute /（一…就…) since （自从…以来）
知识点2：状语从句的连接词 No. 1 时间状语从句 1．when, while, as 引导的时间状语从句
中考英语复习状语从句复习课件(共30张PPT)
状语从句
考点梳理
中考对状语从句的考查主要集中在时间、原因和条件状语 从句上。尤其应当注意当主句为一般将来时,时间和条件状语用
一般现在时。
时间 when/while/as, 状语 before, 从句 after, since, until, as soon as 条件 if, as long as, 状语 unless 从句 原因 because, since, as, 状语 for 从句 目的 so that, in order 状语 that 从句
结果 状语 从句 让步 状语 从句
so that, so… that/such… That though/although, even if, whenever, whatever
It’s so hot that we want to go swimming. It is such a heavy box that nobody can move it away. Though he looks weak, he is healthy.
( B )2. Please hold on to your dream one day it comes ture. A. if B. until C. unless D. though
【点拨】if如果；until直到……为止；unless除非；though尽
管。由空格前“请坚持你的梦想”和空格后“有一天它实现” 可在，中间应用四个选项中的until连接，其他三项句意不通。 句意“请坚持你的梦想，直到有一天它实现为止。”
比较 状语 从句 地点 状语 从句
than, as…as, not as/so…as where, wherever
He ran as fast as Mike.
考点梳理
中考对状语从句的考查主要集中在时间、原因和条件状语 从句上。尤其应当注意当主句为一般将来时,时间和条件状语用
一般现在时。
时间 when/while/as, 状语 before, 从句 after, since, until, as soon as 条件 if, as long as, 状语 unless 从句 原因 because, since, as, 状语 for 从句 目的 so that, in order 状语 that 从句
结果 状语 从句 让步 状语 从句
so that, so… that/such… That though/although, even if, whenever, whatever
It’s so hot that we want to go swimming. It is such a heavy box that nobody can move it away. Though he looks weak, he is healthy.
( B )2. Please hold on to your dream one day it comes ture. A. if B. until C. unless D. though
【点拨】if如果；until直到……为止；unless除非；though尽
管。由空格前“请坚持你的梦想”和空格后“有一天它实现” 可在，中间应用四个选项中的until连接，其他三项句意不通。 句意“请坚持你的梦想，直到有一天它实现为止。”
比较 状语 从句 地点 状语 从句
than, as…as, not as/so…as where, wherever
He ran as fast as Mike.
中考英语状语从句专项复习PPT课件 人教版
（五）as soon as引导的从句都表示从句的动作一发生，主句的动作 随即就发生，意为“一…就…”。这类从句中，经常用一般现在 时代替一般将来时。
eg: (17) As soon as he arrives, I’ll tell him.
他一到，我就告诉他。
三、地点状语从句 地点状语从句由 where, wherever 引导。
做完作业之后，你可以看一下电视。
（三）until/till 均表示主句的谓语动词（延续性动词）一直延续到 until/till 所表示的时间为止。
1. 肯定句中，二者可以通用。 eg: (12) You may stay here until/till the rain stops.
你可以在这儿呆到雨停。
eg: ere is a way.
有志者，事竟成。
四、原因状语从句 表示理由或原因的状语从句，常用连词 because, since和 as。这三 个词所表达的语气由 because 到 as 逐渐减弱。由 why 提出问题用 because 回答。
初三英语专题复习之
状语从句
一、概念
1.定义：在主从复合句中，用于修饰主句中动词、形容词或副
词的句子，叫状语从句。
2.类型：状语从句按其在句中的作用分为：时间、地点、原因、
目的、结果、条件、方式、让步、比较状语从句九类。
3.位置：由从属连词引导，可位于主句前，亦可位于主句后。
位于句首时，用逗号与其后的主句隔开。
作进行对比：
eg: (4)Please write while I read.(= during the time that)
我念的时候请写下来。
(5)I am safe while I am here.(= for as long as)
eg: (17) As soon as he arrives, I’ll tell him.
他一到，我就告诉他。
三、地点状语从句 地点状语从句由 where, wherever 引导。
做完作业之后，你可以看一下电视。
（三）until/till 均表示主句的谓语动词（延续性动词）一直延续到 until/till 所表示的时间为止。
1. 肯定句中，二者可以通用。 eg: (12) You may stay here until/till the rain stops.
你可以在这儿呆到雨停。
eg: ere is a way.
有志者，事竟成。
四、原因状语从句 表示理由或原因的状语从句，常用连词 because, since和 as。这三 个词所表达的语气由 because 到 as 逐渐减弱。由 why 提出问题用 because 回答。
初三英语专题复习之
状语从句
一、概念
1.定义：在主从复合句中，用于修饰主句中动词、形容词或副
词的句子，叫状语从句。
2.类型：状语从句按其在句中的作用分为：时间、地点、原因、
目的、结果、条件、方式、让步、比较状语从句九类。
3.位置：由从属连词引导，可位于主句前，亦可位于主句后。
位于句首时，用逗号与其后的主句隔开。
作进行对比：
eg: (4)Please write while I read.(= during the time that)
我念的时候请写下来。
(5)I am safe while I am here.(= for as long as)
状语从句(完整版)PPT课件
child, I often played in the park.”（当我还是个孩子的时候，我经常
在公园里玩。）
02
从句时态先于主句
有时从句的时态会先于主句，表示从句中的动作发生在主句动作之前，
如“After he finished his work, he went home.”（他完成工作后就
结果状语从句的谓语动作可以与主句 的谓语动作同时发生，也可以在其后 发生。
结果状语从句的谓语动作可以是已完 成的，也可以是未完成的。
结果状语从句的省略与倒装
01
当结果状语从句的主语与主句主 语一致，且从句谓语包含be动词 时，可以省略从句的主语和be动 词。
02
在某些情况下，为了强调或保持 句子平衡，结果状语从句可以采 用倒装语序。
作用
使句子表达更加完整、准确，增强语 言的逻辑性和连贯性。
状语从句的构成
01
02
03
引导词
引导状语从句的词有 when、where、because 、if、although等。
主语和谓语
从句中通常包含主语和谓 语，构成完整的句子结构 。
时态和语态
根据主句的时态和语态， 从句的时态和语态也会相 应变化。
倒装
有时为了强调或保持句子的平衡，可以将时间状语 从句中的部分成分倒装，如“Only when he arrived did we start the meeting.”（只有当他 到达时，我们才开始会议。）
03
地点状语从句
Chapter
表示地点的连词
01
where：在...地方
02
03
04
wherever：无论在哪里
倒装
中考英语语法之状语从句 )(共23张PPT)
八、让步状语从句 定义：让步状语从句，是指状语从句中的一种，其本身也是状语从句。一般翻译为“尽管……”或 “即使……”，就是我们日常生活中用的“退一步说…”的感觉。 //引导词// though/although/as（虽然，尽管） even if/though（即使，尽管） whether/no matter whether...or(not)（不管...是否，不管是...还是） //注意// 1. though, although,as的区别 A. though, although的主句中可以用 yet, still, nevertheless,但不可使用but。 B. though引导的从句可以倒装，也可以不倒装； as引导的从句必须倒装； although引导的从句不能倒装。
as 1. 表示“当...时候”，强调同时发生，不指先后。 2. 说明两种正在发展或变化的情况，表示“随着”，表示时间的推移。 3. 表示“一边...一边...”。 4. 强调两个动作紧接着发生。 5. 表示“虽然，尽管”。 6. 其他含义“正如，正像”，“作为”，“由于，因为”
before 1. 一般意为“在...之前” “...才”，“...就” “还没有...”“免得”“不知不觉” “宁可，宁愿”，“否则，要不然”。
//注意// for也可以表示原因，属并列连词，但不是说明直接原因，而是对某种情况加以 推断，用于表示补充说明理由。
三、地点状语从句 定义：地点状语从句表示地点、 方位。 引导词：where, wherever 1. 地点状语从句由where, wherever引导。 //注意// where与wherever的区别：where表特定的地点，而wherever表示非特定的地点。 wherever=to/at any place where 2. 地点状语从句与定语从句的区别 where引导定语从句时，从句前应有一个表示地点的名词作先行词； 而状语从句前则无先行词。
中考英语二轮复习语法专项：状语从句课件(32张PPT).ppt
目的 so that (以便, 为了), in order They sped up so that/ in
状语从句 that (为了)
order that they could get
there on time.
分类
引导词
例句
结果 so … that / such … that (如 It’s so hot that nobody
在主从复合句中作状语的从句叫做状语从句。状语从 句由从属连词引导，与主句连接，位于句首时，常用逗号 与主句分开，位于句末时，其前一般不用逗号。
状语从句根据其用途可分为时间状语从句、条件状语 从句、原因状语从句、目的状语从句、结果状语从句、让 步状语从句、比较状语从句、地点状语从句等。
分类
引导词
例句
A. so
B. when
C. unless
( A )2. I love to listen to rock music _______ I am running.
A. while
B. after
C. since
D. until
( B )3. Ann didn't know anything about the news _______
状语从句 此……以至于)
wants to go out.
though/although (尽管, 虽然), Although milk is good，
让步 even though/if (即使),
状语从句
whatever (无论什么), whenever (无论何时),
you should not drink too much of it. Whatever you want to be,
初三英语_中考复习_状语从句_ppt课件
典型例题解析
【例5】 The driver hurt the girl______badly_______she A had to see a doctor.［2003 新疆］ A.so,that B.either,or C.too,to D.neither,nor
【例6】 Mrs Read didn't sleep well last night because the wind made too much noise.对句子划线部分提问) Why didn't sleep _______________Mrs Read __________well last night? 【例7】 David was so careless that he didn't find the mistakes in his test paper.(改为简单句)［2003 福州市］ too to David was_________careless _________ find the mistakes in his test paper.
课时训练
Ⅰ.单项选择 (A) 1.He was_________angry to hear the news that he couldn't say a word. A.so B.too C.very D.much (A) 2.Because his mother was ill,_________he must stay at home to look after her. A./ B.so C.that D.either 3.Though the workers were very tired，_________they went (C) on planting trees. C./ A.and B.but D.so (C) 4.They didn't watch TV_____they finished their homework. A.after B.when C.until D.as
状语从句(23张PPT)初中英语专项复习课件
时间状语从句的引导词
when while as
when, while, as：当…时
①既可以加持续性动词也可以加终止性动词 ②从句动作与主句动作可同时发生也可先后发生
When he arrived all the guests had left. Mary was having dinner when I saw her.
让步状语从句
though和although的用法 （1） 两词用法基本相同，although更加正式一些 （2） even though结构中的though不可以换为although （3） 两词不可与but连用，但是可以和yet, still连用
Though/although she works very hard, she makes slow progress. Though/although she is young, she has travelled to many countries.
条件状语从句
If the weather is terrible next week, we will put off the meeting. As long as you promise to come, I will wait for you. You will be late unless you hurry up. In case it rains, do not expect me.
3. such + 形容词+不可数名词+ that…
This was such fine music that it was worth listening to it again.
比较状语从句
1.在复合句中起比较状语作用的从句称为比较状语从句
状语从句(29张PPT)初中英语专项复习课件
状语从句
初中英语专项复习
状语从句是指句子的状语由一个从句充当， 用来 修饰主句中的动词、形容词或副词等。状语从句由从 属连词引导， 与主句连接， 放在句末时， 一般不在 前面加逗号。状语从句根据它表达的意思可分为时间 、原因、条件、比较、结果、目的等类型。
一、状语从句的种类
状语从句 的种类
引导词
)
color looks terrible.
He ran as fast as he
as＋原级＋ as… could to the top of
比较状语 比较级＋than＋ the hill.
从句 比较对象
John swims better
than Jim does.
状语从句 的种类
引导词
例句
He spoke so fast that
5. when, while, as意为“当……的时候”。 (1)when表示在某一特定的时间点(段)，主句的动作和
从句的动作同时发生或先后发生。when引导的时间 状语从句的谓语动词既可以是非延续性动词，也可 以是延续性动词。如： When we lived in town, we often went to the theatre. 我们住在城镇里的时候常去剧院看戏。
last night. 昨晚直到12点我回来他才停止工作。
7. as soon as… 意为“一……就……”， 强调主句的动 作紧接着从句的动作。如：
As soon as I arrive in Beijing, I will call you. 我一到达北京就会打电话给你。 8. so… that, such… that意为“如此……以至于……”， 引导结果状语从句。基本规则是：so后面接形容词 或副词， such后接名词。但有几点要特别注意： (1)such是形容词， 它所修饰的名词可以是可数名词， 也可以是不可数名词；名词前面可以带形容词， 也 可以不带。如果其后是单数可数名词， 前面需加不 定冠词a或an。因此， such… that… 的句型结构可 分为以下三种：
初中英语专项复习
状语从句是指句子的状语由一个从句充当， 用来 修饰主句中的动词、形容词或副词等。状语从句由从 属连词引导， 与主句连接， 放在句末时， 一般不在 前面加逗号。状语从句根据它表达的意思可分为时间 、原因、条件、比较、结果、目的等类型。
一、状语从句的种类
状语从句 的种类
引导词
)
color looks terrible.
He ran as fast as he
as＋原级＋ as… could to the top of
比较状语 比较级＋than＋ the hill.
从句 比较对象
John swims better
than Jim does.
状语从句 的种类
引导词
例句
He spoke so fast that
5. when, while, as意为“当……的时候”。 (1)when表示在某一特定的时间点(段)，主句的动作和
从句的动作同时发生或先后发生。when引导的时间 状语从句的谓语动词既可以是非延续性动词，也可 以是延续性动词。如： When we lived in town, we often went to the theatre. 我们住在城镇里的时候常去剧院看戏。
last night. 昨晚直到12点我回来他才停止工作。
7. as soon as… 意为“一……就……”， 强调主句的动 作紧接着从句的动作。如：
As soon as I arrive in Beijing, I will call you. 我一到达北京就会打电话给你。 8. so… that, such… that意为“如此……以至于……”， 引导结果状语从句。基本规则是：so后面接形容词 或副词， such后接名词。但有几点要特别注意： (1)such是形容词， 它所修饰的名词可以是可数名词， 也可以是不可数名词；名词前面可以带形容词， 也 可以不带。如果其后是单数可数名词， 前面需加不 定冠词a或an。因此， such… that… 的句型结构可 分为以下三种：
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• 2．Please wash your hands__b_e_fo_r_e__ you have meals. • 3．He doesn't go to bed__u_n_t_il_ he finishes his homework every night. • 4．Her father will come back__a_f_te_r___ he finishes his work. • 5．She will give me a call__a_s_s_o_o_n_a_s__ she gets to Beijing. Don't
• —He was writing an email ________ I was watching TV at home.
• A．as soon as B．after
• C．until
D．while
13
Check
• ( A )3.Your uncle will come to see you as soon as he ________ here. • A．arrives B．arrived • C．will arrive D．is arriving • ( B )4.—It's too late. I have to go now. • —Oh，it's raining outside. Don't leave ________ it stops. • A．since B．until C．while D．when
• A．thoughB．until
• C．because D．when
17
Check
• ( B )3.________ it was cold outside，________ he put on a coat before he went out.
• A．Because; so B．Because；/
• C．Though; but D．/; but
• ( A )4.________ everyone is against the advice，let's give it up.
• A．Since
B．Before
• C．When
D．Though
18
【考点精练2】
• ( )5.He didn't go to school today，________ he had a bad cold.
C．while
D．when
12
Check
• ( A )1.Newton was playing under an apple tree ________ an apple fell onto his head.
• A．when
B．while
• C．after
D．Before
• ( D )2.—What were you and your brother doing at this time last night?
注：while还可以用来表达对比(不是时间状语从句)。 My sister likes math while I am fond of English.(相当于并列句中 的and或but) Tom is good at the piano while Sam(is good at )the violin.
I haven't got in touch with my parents since I parted with them in April. She has lived here since she came to Guangdong three years ago.
10
考点精讲 1 时间状语从句
when＋短暂性动作(常为一般时)或延续性动作(常为进行时)； while＋延续性动作(常为进行时)。
e.g. When I stopped my car，a policeman came up to me. My wife was cooking when I got home. I was doing my homework when/while my father was watching TV. While/When we were talking，the teacher came in.
中考语法讲解状语从句
目录 状语从句
01 时间状语从句
02 原因状语从句 03 条件状语从句
04 让结果状语从句
Part I 自主学习
• 用as soon as，when，if，until，unless，as long as，before，after， even if填空
15
【考点精练2】
( )1.We didn't enjoy the day ________ the weather was so bad. A．because B．though C．unless D．till
( )2. A Spring Morning is my favorite poem ________ its words are beautiful and I can feel the sense of spring in it.
6
知识点 点拨
• 状语从句的结构(以when为例)： • 1. When＋从句(，) ＋主句 • 2. 主句＋when＋从句
7
考点精讲 1 时间状语从句
一、连词：when，while，as，before，after，till，until，since，as soon as等。 二、when 与while的区别：
4
Check
• 用as soon as，when，if，until，unless，as long as，before，after， even if填空
• 1．I'm not sure__w__h_e_n__ the meeting will begin. __W__h_e_n__ it begins， I will call you.
A．arrives B．arrived
C．will arrive
D．is arriving
( )4.—It's too late. I have to go now.
—Oh，it's raining outside. Don't leave ________ it stops.
A．since
B．until
8
考点精讲 1 时间状语从句 三、till，until的用法：既可以用于肯定句也可用于否定句，可以互换。
I stayed there till/until I was asked to leave. I didn't leave till/until I was told to.
9
考点精讲 1 时间状语从句 四、since一般用于完成时。
worry.
5
Check
• 6．I don't know___if_____ it will rain soon.____If____ it rains，we'll put off the match.
• 7．Nothing will be impossible_a_s_l_o_n_g__a_s/_i_f you put your heart into it. • 8．I'll help you_e_v_e_n__if__ you don't ask me. • 9．I won't help you__u_n_l_e_ss__ you ask me.
3
Part I 自主学习
用as soon as，when，if，until，unless，as long as，before，after，even if填空
• 6．I don't know________ it will rain soon.________ it rains，we'll put off the match. • 7．Nothing will be impossible___________ you put your heart into it. • 8．I'll help you________ you don't ask me. • 9．I won't help you________ you ask me.
11
【考点精练1】
( ) 1.Newton was playing under an apple tree ________ an apple fell onto his head. A．when B．while C．after D．Before
( ) 2.—What were you and your brother doing at this time last night?
( )4.________ everyone is against the advice，let's give it up.
A. Since
B．Before
C. When
D. Though
16
Check
• ( A )1.We didn't enjoy the day ________ the weather was so bad.
五、如果主句是将来时、祈使句或者表将来的情态动词句时，从句用一般现 在时，有时可用现在完成时，即所谓的“主将从现”的原则。
Don't get off the bus until the bus has stopped/stops. I will write to you as soon as I arrive/have arrived. Can you send me an email when you get home?
• —He was writing an email ________ I was watching TV at home.
• A．as soon as B．after
• C．until
D．while
13
Check
• ( A )3.Your uncle will come to see you as soon as he ________ here. • A．arrives B．arrived • C．will arrive D．is arriving • ( B )4.—It's too late. I have to go now. • —Oh，it's raining outside. Don't leave ________ it stops. • A．since B．until C．while D．when
• A．thoughB．until
• C．because D．when
17
Check
• ( B )3.________ it was cold outside，________ he put on a coat before he went out.
• A．Because; so B．Because；/
• C．Though; but D．/; but
• ( A )4.________ everyone is against the advice，let's give it up.
• A．Since
B．Before
• C．When
D．Though
18
【考点精练2】
• ( )5.He didn't go to school today，________ he had a bad cold.
C．while
D．when
12
Check
• ( A )1.Newton was playing under an apple tree ________ an apple fell onto his head.
• A．when
B．while
• C．after
D．Before
• ( D )2.—What were you and your brother doing at this time last night?
注：while还可以用来表达对比(不是时间状语从句)。 My sister likes math while I am fond of English.(相当于并列句中 的and或but) Tom is good at the piano while Sam(is good at )the violin.
I haven't got in touch with my parents since I parted with them in April. She has lived here since she came to Guangdong three years ago.
10
考点精讲 1 时间状语从句
when＋短暂性动作(常为一般时)或延续性动作(常为进行时)； while＋延续性动作(常为进行时)。
e.g. When I stopped my car，a policeman came up to me. My wife was cooking when I got home. I was doing my homework when/while my father was watching TV. While/When we were talking，the teacher came in.
中考语法讲解状语从句
目录 状语从句
01 时间状语从句
02 原因状语从句 03 条件状语从句
04 让结果状语从句
Part I 自主学习
• 用as soon as，when，if，until，unless，as long as，before，after， even if填空
15
【考点精练2】
( )1.We didn't enjoy the day ________ the weather was so bad. A．because B．though C．unless D．till
( )2. A Spring Morning is my favorite poem ________ its words are beautiful and I can feel the sense of spring in it.
6
知识点 点拨
• 状语从句的结构(以when为例)： • 1. When＋从句(，) ＋主句 • 2. 主句＋when＋从句
7
考点精讲 1 时间状语从句
一、连词：when，while，as，before，after，till，until，since，as soon as等。 二、when 与while的区别：
4
Check
• 用as soon as，when，if，until，unless，as long as，before，after， even if填空
• 1．I'm not sure__w__h_e_n__ the meeting will begin. __W__h_e_n__ it begins， I will call you.
A．arrives B．arrived
C．will arrive
D．is arriving
( )4.—It's too late. I have to go now.
—Oh，it's raining outside. Don't leave ________ it stops.
A．since
B．until
8
考点精讲 1 时间状语从句 三、till，until的用法：既可以用于肯定句也可用于否定句，可以互换。
I stayed there till/until I was asked to leave. I didn't leave till/until I was told to.
9
考点精讲 1 时间状语从句 四、since一般用于完成时。
worry.
5
Check
• 6．I don't know___if_____ it will rain soon.____If____ it rains，we'll put off the match.
• 7．Nothing will be impossible_a_s_l_o_n_g__a_s/_i_f you put your heart into it. • 8．I'll help you_e_v_e_n__if__ you don't ask me. • 9．I won't help you__u_n_l_e_ss__ you ask me.
3
Part I 自主学习
用as soon as，when，if，until，unless，as long as，before，after，even if填空
• 6．I don't know________ it will rain soon.________ it rains，we'll put off the match. • 7．Nothing will be impossible___________ you put your heart into it. • 8．I'll help you________ you don't ask me. • 9．I won't help you________ you ask me.
11
【考点精练1】
( ) 1.Newton was playing under an apple tree ________ an apple fell onto his head. A．when B．while C．after D．Before
( ) 2.—What were you and your brother doing at this time last night?
( )4.________ everyone is against the advice，let's give it up.
A. Since
B．Before
C. When
D. Though
16
Check
• ( A )1.We didn't enjoy the day ________ the weather was so bad.
五、如果主句是将来时、祈使句或者表将来的情态动词句时，从句用一般现 在时，有时可用现在完成时，即所谓的“主将从现”的原则。
Don't get off the bus until the bus has stopped/stops. I will write to you as soon as I arrive/have arrived. Can you send me an email when you get home?