初中英语-状语从句总结课件
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more pollution. 4. He w__il_l_d_r_e_ss_(dress) more casually if he
_d_o_e_s_n_’_t_w_o__rk__ ( not work) on weekends.
Part1:If 的用法
1.I want to know if he will go to a park with us. 是否 宾语从句
简单了解，记住引导词的意思
1.Though/although 虽然 2.Even if / even though 即使
3. no matter what (which,who,whose,when,how,…)= whatever(whichever…) 无论什么（无论哪一个，无论谁，无论谁的，无论什么时候，无论怎样…） 注意：(了解） No matter where you go, I’ll be with you. 无论你去哪里，我都要与你在一起。 Wherever引导地点状语从句，侧重陈述事实及发生的地方，引导让步状语从句，侧重 假设条件。 4.whether/no matter whether 无论…可与or/or not 搭配 Whether you believe it or not, it is true.无论你信不信，这总是事实。
wherever(无论什么地方）
Sit wherever you like.你随便爱坐哪里坐在哪里。
everywhere(每一… 地方）
Everywhere they went, they were warmly received.他们所到之 处，都受到热烈欢迎。
之二：让步状语从句 类似条件状语从句
一、when和延续性、短暂动词连用，而while和as只能和延续性动词连用。 When we arrived in Beijing, it was raining. (arrive短)我们到达北京时，天正在下雨。 二、when从句的谓语动词可以在主句谓语动作之前、之后或同时发生； while和as从句的谓语动作必须是和主句谓语动作同时发生。 1．从句动作在主句动作前发生，只用 when。 When he had finished his homework，he took a short rest．（finished先发生）当他完
2.了解一下 now (that)/ seeing (that)/considering (that)/ in that “鉴于、由 于”
之四：目的状语从句
简单了解，记住引导词的意思
1. so that / so / that/in order that“以便，为了”从句中常含有 may/might/can/could/should 等情态动词。
If引导的从句
A joke
A man liked a girl very much and asked if the girl could marry him. But the girl didn’t agree. She said ,“even if（即使） there is only one man left, I won’t marry you.”
her homework.
之一：地点状语从句
简单了解，记住引导词的意思
where (在…地方）
注：where有时引导一个含“条件”意义的 从句
Where there is a will, there is a way. 有志者，事竟成。
Go back where you came from.你从哪里来就回到哪里去。
1.If you ___f_e_e_l __(feel) tired, you ___w__il_l_h_a_v_e___ (have)
to have a rest.
2. Where __w__il_l__ he ____s_e_e___(see) the film if he ____h_a_s_____(have) time? 3. If there _____a_re____(be) fewer trees, there __w_i_l_l _b(ebe)
unless = if...not 除非,若不,除 非在……的时候
You will not succeed unless you work hard.
=If you don’t work hard, you will not succeed. =work hard, or you will not succeed.(fail) =work hard, and you will succeed.
If 引导宾语从句
If引导的宾语从句
I want to know if/whether she/he has a dream. (是否)
主现从任 主过从过（客观真理除外）
I asked her/him if/whether she/he had a dream. (是否)
If 引导条件状语从句
之七：条件状语从句
1. if 如果 2. unless 如果…不…= if…not 3. suppose / supposing that…假如 4. as long as 只要… 就…= only if 5. on condition that 在…条件下= only if 6. once 一旦 7. in case that 如果 万一 8. only if 只要/ if only要是…该多好。
注意过去进行时在主句中还是从句中 was/were + doing
八下课本中的例句 He was reading in the library when the rainstorm came. While you were sleeping, I called Jenny. While Linda was sleeping, Jenny was helping Mary with
连词 if 和 when 在不同从句中的区别：
C
Do you know if ______back next week ? If he ______ back ,
please let me know .
A. he comes , will come
B. will he come , comes
C. he will come , comes
之八：时间状语从句
1. when/ as /while 在… 时 2. whenever (every time,each time) 每当 3. as soon as(the moment, immediately)一… 就… 4.before, after 5. till , until 直到…为止（句首只用until) 6. hardly… when/ no sooner … than 一… 就…
之三：原因状语从句
简单了解，记住引导词的意思
1. because , since，as “因为，由于”
because: 语气最强 （重心）回答why的问句 since: 稍弱（既然）表已知或很明显的理由（附带),大多放句首 as: 更弱，多用于口语，大多放句首，对主句加以说明。
for 也可引导表原因的句子（并列分句）表示补充说明的理由，加上的 话能更增加说话的可信度。常用于句中，前面用逗号和主句分开。
D. he will come , will come
如果 条件状语从句：主将/主祈/主情 从现 是否 宾语从句：主现从任、主过从过
连词 if 和 when 在不同从句中的区别：
I don’t know when he _w_i_l_l _c_o_m__e(come) . I can’t wait here any more . When he _c_o__m_e_s_ (come) , would you please ask him to call me ?
成作业后，他休息了一会儿。 2．主从句动作同时发生，且从句动作为延续性动词时，when，while，as都可使用。 When ／While ／As we were dancing，a stranger came in．（dance为延续性动词）当
我们跳舞时，一位陌生人走了进来。 3．只能用 as：表示“随着??”；“一边??，一边??”之意。 The little girls sang as they went．小姑娘们一边走，一边唱。 4．在将来时从句中，常用when，且从句须用一般时代替将来时。 5. 在用when和while连接的从句中，常省略与主句相同的主语和相应的be，而在as连接的
从句中一般则不省略。 He fell asleep while(he was)studying his grammar book.他在阅读语法书的时候睡着了。 6. when这时(突然)”while“而”可用作并列连词，as没有这种用法。 He likes coffee, while she likes tea. 他喜欢咖啡，而她却喜欢茶。
2. We will have a picnic if it doesn’t rain. 条件状语从句 如果
3. Can you tell me if there will be a concert tomorrow? 宾语从句
4. If you feel tired, you must have a rest. 条件状语从句
4 让步 Although it’s difficult, we’ll do it.
5
原因
As he wasn’t ready in time , we went without him.因我被你们及时准备好，我们没等他就走了。
6 目的 He got up early so that he might catch the train.
当…时 时间状语从句：主将/主祈/主情 从现 什么时候 宾语从句：主现从任、主过从过
Part2:Unless的用法
You will fail to arrive there in time unless you start earlier.
If you don’t start earlier, you will fail to arrive there in time.
7 结果 He got up early so that he caught the train.他起得早， 程度 所以赶上了火车。
8 方式 Study as Marx studied.象马克思那样学习。
9 比较 A hare can walk faster than a tortoise runs.
if 引导的条件状语从句
wenku.baidu.com
主将 I will sing a song if I am happy.
从
主祈 Don’t cross the road if the light is red.
现
主情
You must stop if the traffic light is red.
用所给词的适当形式填空
状语从句
什么是状语？ 作用：修饰形、副、动及相应短语或句子。 常用词类：副、介短、分词、不定式、从句
He speaks English very well. 他英语说得非常好
副词做程度状语
He is playing under the tree.他在树下玩儿
介词短语做地点状语
I come specially to see you.我专门来看你.
动词不定式做目的状语
什么是状语从句？（由句子充当状语成分）
序 分类
号
例句
1 时间 I can learn while I work.我可以在工作中学习。
2 地点 We’ll go wherever the country wants us to. 祖国要我们去哪我们就去哪。
3 条件 If you keep on trying, you’ll succeed.
_d_o_e_s_n_’_t_w_o__rk__ ( not work) on weekends.
Part1:If 的用法
1.I want to know if he will go to a park with us. 是否 宾语从句
简单了解，记住引导词的意思
1.Though/although 虽然 2.Even if / even though 即使
3. no matter what (which,who,whose,when,how,…)= whatever(whichever…) 无论什么（无论哪一个，无论谁，无论谁的，无论什么时候，无论怎样…） 注意：(了解） No matter where you go, I’ll be with you. 无论你去哪里，我都要与你在一起。 Wherever引导地点状语从句，侧重陈述事实及发生的地方，引导让步状语从句，侧重 假设条件。 4.whether/no matter whether 无论…可与or/or not 搭配 Whether you believe it or not, it is true.无论你信不信，这总是事实。
wherever(无论什么地方）
Sit wherever you like.你随便爱坐哪里坐在哪里。
everywhere(每一… 地方）
Everywhere they went, they were warmly received.他们所到之 处，都受到热烈欢迎。
之二：让步状语从句 类似条件状语从句
一、when和延续性、短暂动词连用，而while和as只能和延续性动词连用。 When we arrived in Beijing, it was raining. (arrive短)我们到达北京时，天正在下雨。 二、when从句的谓语动词可以在主句谓语动作之前、之后或同时发生； while和as从句的谓语动作必须是和主句谓语动作同时发生。 1．从句动作在主句动作前发生，只用 when。 When he had finished his homework，he took a short rest．（finished先发生）当他完
2.了解一下 now (that)/ seeing (that)/considering (that)/ in that “鉴于、由 于”
之四：目的状语从句
简单了解，记住引导词的意思
1. so that / so / that/in order that“以便，为了”从句中常含有 may/might/can/could/should 等情态动词。
If引导的从句
A joke
A man liked a girl very much and asked if the girl could marry him. But the girl didn’t agree. She said ,“even if（即使） there is only one man left, I won’t marry you.”
her homework.
之一：地点状语从句
简单了解，记住引导词的意思
where (在…地方）
注：where有时引导一个含“条件”意义的 从句
Where there is a will, there is a way. 有志者，事竟成。
Go back where you came from.你从哪里来就回到哪里去。
1.If you ___f_e_e_l __(feel) tired, you ___w__il_l_h_a_v_e___ (have)
to have a rest.
2. Where __w__il_l__ he ____s_e_e___(see) the film if he ____h_a_s_____(have) time? 3. If there _____a_re____(be) fewer trees, there __w_i_l_l _b(ebe)
unless = if...not 除非,若不,除 非在……的时候
You will not succeed unless you work hard.
=If you don’t work hard, you will not succeed. =work hard, or you will not succeed.(fail) =work hard, and you will succeed.
If 引导宾语从句
If引导的宾语从句
I want to know if/whether she/he has a dream. (是否)
主现从任 主过从过（客观真理除外）
I asked her/him if/whether she/he had a dream. (是否)
If 引导条件状语从句
之七：条件状语从句
1. if 如果 2. unless 如果…不…= if…not 3. suppose / supposing that…假如 4. as long as 只要… 就…= only if 5. on condition that 在…条件下= only if 6. once 一旦 7. in case that 如果 万一 8. only if 只要/ if only要是…该多好。
注意过去进行时在主句中还是从句中 was/were + doing
八下课本中的例句 He was reading in the library when the rainstorm came. While you were sleeping, I called Jenny. While Linda was sleeping, Jenny was helping Mary with
连词 if 和 when 在不同从句中的区别：
C
Do you know if ______back next week ? If he ______ back ,
please let me know .
A. he comes , will come
B. will he come , comes
C. he will come , comes
之八：时间状语从句
1. when/ as /while 在… 时 2. whenever (every time,each time) 每当 3. as soon as(the moment, immediately)一… 就… 4.before, after 5. till , until 直到…为止（句首只用until) 6. hardly… when/ no sooner … than 一… 就…
之三：原因状语从句
简单了解，记住引导词的意思
1. because , since，as “因为，由于”
because: 语气最强 （重心）回答why的问句 since: 稍弱（既然）表已知或很明显的理由（附带),大多放句首 as: 更弱，多用于口语，大多放句首，对主句加以说明。
for 也可引导表原因的句子（并列分句）表示补充说明的理由，加上的 话能更增加说话的可信度。常用于句中，前面用逗号和主句分开。
D. he will come , will come
如果 条件状语从句：主将/主祈/主情 从现 是否 宾语从句：主现从任、主过从过
连词 if 和 when 在不同从句中的区别：
I don’t know when he _w_i_l_l _c_o_m__e(come) . I can’t wait here any more . When he _c_o__m_e_s_ (come) , would you please ask him to call me ?
成作业后，他休息了一会儿。 2．主从句动作同时发生，且从句动作为延续性动词时，when，while，as都可使用。 When ／While ／As we were dancing，a stranger came in．（dance为延续性动词）当
我们跳舞时，一位陌生人走了进来。 3．只能用 as：表示“随着??”；“一边??，一边??”之意。 The little girls sang as they went．小姑娘们一边走，一边唱。 4．在将来时从句中，常用when，且从句须用一般时代替将来时。 5. 在用when和while连接的从句中，常省略与主句相同的主语和相应的be，而在as连接的
从句中一般则不省略。 He fell asleep while(he was)studying his grammar book.他在阅读语法书的时候睡着了。 6. when这时(突然)”while“而”可用作并列连词，as没有这种用法。 He likes coffee, while she likes tea. 他喜欢咖啡，而她却喜欢茶。
2. We will have a picnic if it doesn’t rain. 条件状语从句 如果
3. Can you tell me if there will be a concert tomorrow? 宾语从句
4. If you feel tired, you must have a rest. 条件状语从句
4 让步 Although it’s difficult, we’ll do it.
5
原因
As he wasn’t ready in time , we went without him.因我被你们及时准备好，我们没等他就走了。
6 目的 He got up early so that he might catch the train.
当…时 时间状语从句：主将/主祈/主情 从现 什么时候 宾语从句：主现从任、主过从过
Part2:Unless的用法
You will fail to arrive there in time unless you start earlier.
If you don’t start earlier, you will fail to arrive there in time.
7 结果 He got up early so that he caught the train.他起得早， 程度 所以赶上了火车。
8 方式 Study as Marx studied.象马克思那样学习。
9 比较 A hare can walk faster than a tortoise runs.
if 引导的条件状语从句
wenku.baidu.com
主将 I will sing a song if I am happy.
从
主祈 Don’t cross the road if the light is red.
现
主情
You must stop if the traffic light is red.
用所给词的适当形式填空
状语从句
什么是状语？ 作用：修饰形、副、动及相应短语或句子。 常用词类：副、介短、分词、不定式、从句
He speaks English very well. 他英语说得非常好
副词做程度状语
He is playing under the tree.他在树下玩儿
介词短语做地点状语
I come specially to see you.我专门来看你.
动词不定式做目的状语
什么是状语从句？（由句子充当状语成分）
序 分类
号
例句
1 时间 I can learn while I work.我可以在工作中学习。
2 地点 We’ll go wherever the country wants us to. 祖国要我们去哪我们就去哪。
3 条件 If you keep on trying, you’ll succeed.