人教版八年级上 条件状语从句

源自文库从现
主情
主将从现 主祈从现 主情从现
结果
1. 你要是迟到了，老师会批评你。
If you are late, our teacher will blame you.
2. 如果你的车坏了，你可以用我的。 If your car breaks down/ doesn`t work, you can drive mine. If your car breaks down/ doesn`t work, drive mine.
5. ---- Excuse me, I wonder if there ___i_s_____(be) a lost and found office?
----Yes, it`s near the bookstore. 6. -I usually sleep with the window open __u_n_l_e_ss_____ it`s really good.
条件状语从句
状语从句
地点状语从句 时间… 条件… 方式… 结果…
目的…
原因… 比较…
让步…
where
as 以…方式 so …that; such…that so that… = in order that because= as = for, since than… though, although, even though, even if
用if连接下列句子或关键词
1. Go to bed early and you will have a good sleep. If you go to bed early, you will have a good sleep.
用if连接下列句子或关键词
2. Hurry up, or you will miss the bus. If you don`t hurry up, you will miss the bus.
是否随时而定，如果主将从现
练习
1. We _w__il_l_a_c_h_ie_v_e__ （achieve）our dreams as long as we keep trying and never give up.
2. ----Does your mother have a hobby? ----No, _u_n_le_s_s___ you call going shopping a hobby.
5. do not understand the question, ask Jack(you) If you don`t understand the question, ask Jack.
翻译句子
1. 如果他有空，他会帮助你的。 If he is free, he will help you.
If…not = unless(如果不) 4. As long as you ___fi_n_is_h_____(finish) your work, you can go.
是否 不确定性 随时而定
if
如果 主将从现
5. Tell me if he _w__il_l c_o_m__e__(come) tomorrow, if he _c_o_m__e_s____(come), I will let you know.
主现从现
客观真理，频率副词
1. If water is heated to 100℃， it _b_o_i_ls____(boil). 2. She always__g_e_t_s__(get) up late, if you don`t wake her up.
3.1. If you don`t hurry, you __w__ill__ miss the flight . 3.2. Unless you hurry, you __w_i_ll__ miss the flight .
条件状语从句
1. I say hello.
主谓 宾
2. I say that I am tired.
主 谓 宾语从句
从句
主句
3. If you finish your homework, I will allow you to play.
如果
动后宾从，名后定从，前后有逗可前可后是状从
4. I will allow you to play， If you finish your homework
2. 如果树越来越少，我们的空气将会越来越差。 The air will be worse and worse if there are fewer and fewer trees.
3. 想走你就走啊。 You can go if you want.
条件状语从句，主将从现
3. If you finish your homework, I will allow you to play.
前提条件
后来结果
如果你想怎么的，就用if条件句； If用来领从句，主将从现要牢记。
主将从现
1. If it __r_a_in_s_____ (rain) tomorrow, I _w__il_l _st_a_y___ (stay) at home. 难点：人称 s
3. You want to know more about it. Call your teacher. If you want to know more about it, call your teacher.
4. not go to bed early, feel sleepy.(you) If you don`t go to bed early, you will feel sleepy.
2. If you ___w_i_n______ (win) a lot of money, I _w__il_l s_p_e_n_d___ (spend) it
for you.
结果
3. If you ___a_re________ tired, go to bed.
从现
主祈
建议
4. If you ___a_r_e_______ tired, you can go to bed!
3. You`ll get good grades if you __w__o_rk____(work) hard.
4. Mom won`t let Jason go out ___u_n_l_e_s_s _____ he promise to be back by 10:10 tonight.
练习