最新初中英语连词用法PPT课件

考点一 “when” 和 “while”
Mr. White was taking a shower _C____ the UFO
landed on the street. A. where B. while C. when D. whether
While Mr. White was taking a shower，the UFO landed on the street.
e.g. (他努力工作，但以失败告终。)
He worked hard, ______ he failed at last. He worked hard. ____b_u_t___, he failed at last.
However
区别: but 后没有逗号，直接连接分句； however 后有逗号相隔，可放句末。
观察句子 ： ??? 考点三 ：
*although/ though 和but这两个关联词不能同时用。 （1）Although he is over sixty, but he works as hard as others. 改为：Although he is over sixty, he works as hard as others. 或 He is over sixty, but he works as hard as others.
①He got up early so that he could catch the early bus. 他起早是为了赶上早班车。(表目的)
②He got up early so that he caught the early bus.
他起早，结果赶上了早班车。（表结果）
I will work till you come back.
考点二
not…until/ till 直到……才 …till 直到……为止
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翻译：他直到3岁才会讲话。
He _c_o_u_l_d_n_’_t_ speak until he was 3.
我父亲直到我们吃完饭时才回来。
My father d__id__n_’t_ come back until we had supper.
3）用 “and” 或“or” 填空：
Study hard, __a_n__dyour math will be better. = Study hard, ___o_r_ your math will be worse.
“and”意为“这样，那么”； “or” 意为 “否则” 。
考点二 ：表转折的连词but 和however：
初中英语连词用法
连 词 (Conjunction)
一、连词定义: 用来连接词、短语或句子的词。 e.g. I study English and Chinese.
Does he work at school or in the hospital? I get up early, but my brother gets up late.
when引导的状语从句的动作多为终止性动词， 也为可持续动词；但while只能是可持续动词。
考点二
not…until/ till 直到……才 …till 直到……为止
翻译：我会到你回来时才睡觉。 I won’t go to bed until/ till you come back.
我会一直工作到你回来。
（2）“Because John was ill, so I took him to
the doctor.”
同样，此句错误，
because 和 so 等关联词都不能同时使用。
考点四 --- 连词词组 ：
either A or B
“或者A或者B” 【连接主语
neither A nor B
“既不A也不B” 时，谓语
他经常等到妈妈叫他才起床。
Hed_o_e_s_n_’t_get up until his mother wakes him up.
考点三 so that：①为了； ② 所以，结果
He took the MP3 player with him ____B_ he could
enjoy music during the trip. A. because B. so that C. when
二、连词分类：
连词：and, but, or, so, (for)
并列连词
连词词组: either…or, neither…nor, not only…but also, both…and, (as well as)
从属连词——that，whether, if, unless, while / when, until, because, so that, so…that, though/ although, even if, as…as 等
not only A but also B “不仅A而且B” “就近原
①Either
you or
I
__a__m_
going
to
the
则”】
party.
(或者你或者我将去晚会。)
②Neither I nor he ___h_a_s_ seen the movie.
（我和他都没有看过这部电影。）
③Not only you but also he ___s_p__e_a_kFsrench.
（不但你而且他也讲法语。）
2. 从属连词---用来引导从句。常见的从属连词有： (1)引导时间状语从句的after, before, when, while, as, until, till, since, as soon as等。 (2)引导条件状语从句的if, unless等。 (3)引导原因状语从句的because, as, since等。 (4)引导目的状语从句的so that, in order that等。 (5)引导让步状语从句的though, although, even if等。 (6)引导结果状语从句的so that, so…that, such…that等。 (7)引导比较状语从句的than, as…as等。 (8)引导宾语从句的that, if , whether等。