人教版 中考初中英语状语从句PPT课件

—He was writing an email ________ I was watching TV at home.
A．as soon as
B．after
C．until
D．while
( )3.Your uncle will come to see you as soon as he ________ here.
A．though B．until C．becauseD．when
( )3.________ it was cold outside，________ he put on a coat before he went out.
A．Because; so
B．Because；/ C．Though; but D．/; but
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【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.
C．while
D．when
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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?
• —He was writing an email ________ I was watching TV at home.
• A．as soon as B．after
• C．until
D．while
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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
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.
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考点精讲 1 时间状语从句
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考点精讲 2 原因状语从句
• 连词：because，since，as等。
because表示很强的原因； since/as表示较弱的、不直接的原因，可以译成“既然”。
I am worried now because I have left my homework at home. Since everyone is here，let's start our meeting. As you don't feel well，let's stay at home today. 注：because不与so连用。
( )4.________ everyone is against the advice，let's give it up.
A. Since
B．Before
C. When
D. Though
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Check
• ( A )1.We didn't enjoy the day ________ the weather was so bad.
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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 ቤተ መጻሕፍቲ ባይዱon't ask me. • 9．I won't help you________ you ask me.
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
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.
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.
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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.
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考点精讲 1 时间状语从句 四、since一般用于完成时。
• 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
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【考点精练2】
• ( )5.He didn't go to school today，________ he had a bad cold.
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.
• 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
worry.
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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.
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 让步状语从句
05 目的状语从句
06 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
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?
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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
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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：
• A．thoughB．until
• C．because D．when
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Check
• ( B )3.________ it was cold outside，________ he put on a coat before he went out.
• A．Because; so B．Because；/
• A．because
B．though
• C．unless
D．Till
• ( C )2.A Spring Morning is my favorite poem ________ its words are beautiful and I can feel the sense of spring in it.
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【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?
• 1．I'm not sure________ the meeting will begin. ________ it begins，I will call you.
• 2．Please wash your hands________ you have meals. • 3．He doesn't go to bed______ he finishes his homework every night. • 4．Her father will come back________ he finishes his work. • 5．She will give me a call___________ she gets to Beijing. Don't worry.