人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists课文ppt课件

这是一份人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists课文ppt课件，共29页。PPT课件主要包含了REVIEW，behind，S+V+P，Summary，分析从句类型，从句里所缺成分，缺什么补什么等内容，欢迎下载使用。
What desn’t kill yu makes yu strnger! What desn’t kill yu makes yu fire!
Subject Clause
Unit 1 Science and Scientists
Discvering useful structures
Predicative Clause
By the end f this perid, yu will be able t learn the structure f predicative clause. knw hw t judge the predicative clause. master the cnjunctins f predicative clause.
1. Learn smething abut Jhn Snw and analyze what part des the underlined part serve as in each sentence.
1) His dream was t defeat Chlera. 2) He finally became a successful scientist.3) The causes f the disease remained unknwn t the public. 4) The results f the experiment sunded reasnable.
predicative
Predicative is used ______ the linking verb.
Activity 1: Leading in
一、可以接表语从句系动词有：
Linking Verbs系动词
am, is, are
lk，sund，smell，taste，feel，
变得：becme, get, turn,grw；保持：keep, stay, stand, remain似乎：seem, appear；证明：prve, turn ut;
Subrdinating cnjunctin引导词
表语从句要使用陈述语气(主谓 )
表示建议、命令、要求等名词后的表语从句要用虚拟语气：（shuld）+d
一、定义表语从句指 _______________充当表语的从句，其作用相当于一个_____。表语从句放在_______之后，构成“ __________________________”结构。This is where I dn't agree with yu.这就是我不同意你的地方。(where引导表语从句，且在从句中作地点状语)That is why he was late fr class again.那就是他又一次上课迟到的原因。(why引导表语从句，且在从句中作原因状语)My questin is where we will travel and hw we will get there.
主语＋系动词＋表语从句
我的问题是我们将去哪儿旅行以及我们将如何到达那里。(where引导表语从句，且在从句中作地点状语； hw引导表语从句，且在从句中作方式状语)
二、表语从句的类型1．that与what引导的表语从句连接词that引导表语从句，在从句中不充当成分，也无意义，但是_____________ ； what是连接代词，引导表语从句时，在从句_______________________________。The gd news is that it's simple t learn and can be wrth the effrt.好消息是，这学习起来很简单，并且值得付出努力。That was what she did this mrning n her way t schl.那就是她今天早晨在去学校的路上做的事。
作主语、宾语、表语或定语
2．whether引导的表语从句whether引导表语从句，在从句中不充当成分，意为“______”。此时一般不能与_____ 互换。The questin is whether yu can d the wrk well.问题是你能否做好这项工作。3．why与because引导的表语从句(1)当句子主语为 the reasn时，表语从句通常用 that引导，构成句型 ___________________________________________________表示“……的原因是……”。
The reasn why ... is that ...” “The reasn fr ... is that ...
(2) because引导表语从句时，表示“______”，强调_______； why引导表语从句时，表示“____________”，相当于the reasn why，强调_________。 The reasn why he asked fr tw days' leave is that he had t take care f his sick sn.他请了两天假的原因是他要照顾他生病的儿子。That's because I was t busy then.那是因为那时我太忙。(强调原因)That's why we didn't attend that meeting.那就是我们没有参加那个会议的原因。(强调结果)
that was why
is that he was ill
seem、appear、lk、taste、sund、feel等之后
“wuld /culd /might＋动词原形”
advice、suggestin、prpsal、desire、demand、requirement
request、cmmand、recmmendatin
一坚持 insist二命令 rder, cmmand 三建议 advice, suggestin, prpsal, recmmendatin四要求 requirement, request, demand, desire
yu (shuld) give up smking
we (shuld) get mre peple t
1. 表语从句的结构:
主语+系动词+引导词 + 简单句
从属连词: that, whether, as, as if/thugh, because（不充当成分 ）
连接代词: wh, what, which, whm, whse, ...+ever
连接副词: when, where, hw, why
3）if 不引导表语从句。
4）表语从句的虚拟语气。
2）主语为reasn时，引导词用that
如何选择表语从句的引导词？
3.所缺成分在句中指代什么
表语从句引导词注意事项
1. that引导表语从句时不能省。2. if不能引导表语从句。3.除that外的所有引导词都有自己的意义。4. 除that, whether外的所有引导词都须在从句中充当相应的成分。 5.表语从句中，从句用陈述句语序。
that I shuldn't lie t my kids
what he was
hw we can find him
where yu are wrng
as if he had gne back t
because yu can't appreciate music