人教版九年级英语上册《I think that mooncakes are delicious!》SectionA PPT课件(第3课时)，共48页。
Objectives
At the end of the class, the students will be able to:
learn to use the Objective Clauses.
learn to use the exclamatory sentence.
Words review
幻灯片上单词出现时，同学应迅速读出该单词并说出意思，说出时，可有5秒钟的现场求救时（向其他同学），每名同学接受求救不得超过3次。
Grammar Focus
I know that the Water Festival is really fun.
What fun the Water Festival is.
I wonder if they’ll have the races again next year.
How fantastic the dragon boat teams were!
I wonder whether June is a good time to visit Hong Kong.
How pretty the dragon boats were.
I believe that April is the hottest month in Thailand.
How delicious the food is in Hong Kong!
1.由从属连词that引导的宾语从句
e.g.
►I hear (that) he will be back in an hour.
►He said (that) he missed us very much.
注：that 在句中无词汇意义，在从句中不能充当成分，在口语当中往往省略。
that在宾语从句中的省略与保留
a. 在主+谓+it(形式宾语)+宾补+that 从句(真正宾语) 的句型中不省略。
►We must make it clear that we mean what we say.
b. 由连词and连接的两个由that引导的宾语从句中,第二个that 不省略。
►He told me (that) he would come and that he would stay for 2 days.
c.当that作介词 except, in等宾语时。
►They believe in that she must still be single.
►I know nothing about him except that he is living in Beijing.
2.由从属连词 whether, if 引导的宾语从句。
if/whether 引导宾语从句 表示“是否”。
if/whether可互换，但whether…or not为固定搭配。
►I want to know if/whether she is right .
►They didn’t know whether Tom could come back or not .
注意whether和if的使用区别
1).whether和if都可以引导宾语从句
a.当whether后紧跟or not时，不用if.
►I don’t know whether or not he will come.
如果or not放在whether所引导的从句句尾，可用if 替换。
►I don’t know whether/if he will come or not.
b.介词后面的宾语从句不能用if.
►I worry about whether I hurt her feeling.
c.在强调任意选择时，用whether…or，此时不用 if 替换whether。
►He asked me whether I wanted to go there by train or by bus.他问我是想乘火车还是坐公共汽车去那里。
whether...or还有“不管”之意，引导让步状语从句。
►Whether he drives or takes the train, he will be here on time. 不管开车来还是乘火车来，他都会准时到。
d. 虽引导宾语从句，但为了强调宾语部分，也可把从句放在句首，此时只用whether不用if。
Whether he will come I am not sure.
e.句子中有if 引导的条件句，如再有表示“是否”的宾语从句，用whether不用if。
He asked me whether I’d move to New York if I got the job.
f. 容易产生歧义时用whether不用if来表示“是否”。
Please let me know if you need help.
如果你需要帮助请告诉我。
或：请告诉我你是否需要帮助。对比：
►Please let me know whether you need help.
请告诉我你是否需要帮助。
g. 如果宾语从句为否定句时，则只用if不用 whether。
I don’t know if it won't rain tomorrow.
我不知道明天是不是会下雨。
2).引导主语从句置于句首时，只能用whether。
►Whether he comes or not makes no difference.
3). Whether可以引导表语从句和同位语从句，if不可以。
4).用在动词不定式之前时用whether不用if。
► I don’t know whether to go there at once.
我不知道是不是该立刻去那里。
3.由连接代词 who, whom, whose, which, what 和连接副词 where, how, why, when引导的宾语从句
►Do you know whose book it is ?
►Please tell me when we’ll have a meeting .
►Could you tell me why the train is late?
►He asked who could answer the question.
宾语从句的语序
无论主句是陈述句还是疑问句，宾语从句都是运用陈述句的语序，即是“主语在前，谓语在后”的顺序。
►Danny says that he will learn English.
►Do you know where he came from?
►Please tell me how I can get to the bus station .
What 和 How引导的感叹句
所谓感叹句，就是用来表达喜怒哀乐等强烈情感的句子。近年来，感叹句的构成及转换是中考常考的考点之一。
感叹句一般由“what”和“how”来开头的句子 “what”修饰名词，“how”修饰形容词和副词。
What 引导的感叹句
“what”意为“多么”用作定语，修饰名词（被强调部分），名词前可有其它定语成份（即：形容词或冠词）。单数可数名词前要加不定冠词a/an，复数可数名词或不可数名词前不用冠词。
一般有三种形式，此时what为形容词，作定语，用来修饰它后面的名词或词组。
1. what+a/an+形容词+可数名词单数+主语+谓语！
►What an interesting story it is! 多么有趣的故事呀！
►What a good girl she is! 她是个多么好的一个女孩啊！
2. what+形容词+不可数名词+主语+谓语！
►What heavy snow it is! 多么大的雪呀！
►What bad weather it is! 多么糟糕的天气！
3. what+形容词+可数名词复数+主语+谓语!
►What beautiful flowers they are! 多么漂亮的花啊！
►What good students they are! 他们是多么好的学生啊！
How 引导的感叹句
“how”意为“多么”，用作状语，修饰形容词或副词（被强调部分）。如果修饰形容词，则句中的谓语动词用系动词；如果how修饰副词，则句中的谓语动词用行为动词。
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