1、2022-11-9人教版九年级全册人教版九年级全册Unit3SectionB2a-2d1.convenient adj.意为意为“便利的便利的;方便的方便的”,常用于句型常用于句型“It+be+convenient(+for sb.)+to do sth.”中。中。如:如:It is simple and convenient for old people to use this kind of mobile phone.A bicycle is often more convenient than a car in big cities.【运用】【运用】1)Traveling around
2、big cities by taxi can cost a lot of money,but its usually _ to take the underground train to most places.A.amazing B.expensive C.convenient D.exciting 2)It is _ for me to go shopping.There is a new supermarket near my home.A.difficult B.important C.impossible D.convenient2.Both are correct,but the
3、first one sounds less polite.less+形容词或副词形容词或副词,构成降级比较形式构成降级比较形式,相当于中文相当于中文“不那么不那么;稍许不稍许不”之意。之意。如如:他的第二部电影就没那么有趣。他的第二部电影就没那么有趣。(翻译翻译)His second movie is less interesting.polite作形容词,意为作形容词,意为“有礼貌的;客气有礼貌的;客气的的”。be polite to sb.意为意为“对某人有礼貌对某人有礼貌”。如:如:Please be polite to our guests.Its polite to do sth.意
4、为意为“做某事是有礼貌做某事是有礼貌的的”。如:如:Its polite to say“Thank you”.【拓展】【拓展】polite的副词形式为的副词形式为politely,意为,意为“有礼有礼貌地;客气地貌地;客气地”。polite的反义词是的反义词是impolite,意为,意为“不礼貌的;粗鲁的不礼貌的;粗鲁的”。如:如:The girl told me politely that her mother was not at home.Its impolite to refuse others directly.【运用】【运用】I.根据所给提示,将下列句子翻译成英语。根据所给提示,将
5、下列句子翻译成英语。1)玛丽玛丽(Mary)对她的老师很有礼貌。对她的老师很有礼貌。(be polite to sb.)2)为别人开门是礼貌的。为别人开门是礼貌的。(Its polite to do sth.)3)那个小男孩客气地向我寻求帮助。那个小男孩客气地向我寻求帮助。(politely)Mary is polite to her teachers.Its polite to open doors for others.The little boy asked me for help politely.II.根据句意,写出所缺单词。根据句意,写出所缺单词。1)It is p to say“
6、thank you”when someone has helped you.2)Tom thinks people will help him if he asks for help (polite).3)Talking loudly in a library,a museum,or a movie theater is (不礼貌不礼貌 的的).politepolitelyimpolite3.It might seem more difficult to speak politely than directly.情态动词情态动词might表达一种可能性及推测的表达一种可能性及推测的 不确定性。
7、不确定性。意思与表达可能性的意思与表达可能性的may相当相当,表示表示“有可能有可能,也许会也许会”,但语气更加委婉但语气更加委婉,更不确定。如:更不确定。如:他也许会来,但非常靠不住。他也许会来,但非常靠不住。(翻译翻译)He might come,but its very unlikely.【运用】【运用】根据提示将下列汉语句子翻译成英语。根据提示将下列汉语句子翻译成英语。1)爸爸也许知道如何发动那台机器。爸爸也许知道如何发动那台机器。(might)2)他可能及时赶到了那儿,但我不确定。他可能及时赶到了那儿,但我不确定。(might)Dad might know how to start
8、that machine.He might get there in time,but I am not sure.4.However,it is important to learn how to use the right language in different situations.it作形式主语作形式主语 如果主语是较长的动词不定式或一个句如果主语是较长的动词不定式或一个句子子,为了保持句子结构的平衡为了保持句子结构的平衡,避免头重避免头重脚轻脚轻,通常用通常用it作形式主语放在句首作形式主语放在句首,而把而把真正的主语放在句尾。真正的主语放在句尾。常见的句型有:常见的句型有:1)
9、It is+adj.(+_+sb.)+to do sth.常用于此句型的形容词有常用于此句型的形容词有important,difficult,dangerous,necessary,useful,possible等等,用来对用来对to do sth.进行说明。进行说明。如:如:Its difficult for us to finish the work in an hour.for2)It is+adj.+_+sb.+to do sth.常用于此句型的形容词有常用于此句型的形容词有good,kind,nice,clever,wise等等,用来对用来对sb.的性的性 格、品质等进行说明。格、品
10、质等进行说明。如:如:Its kind of you to say so.of5.whom 仔细观察下列例句,思考仔细观察下列例句,思考whom的用的用 法,然后补全结论部分所缺内容。法,然后补全结论部分所缺内容。【例句】【例句】1)I dont know whom/who Linda will invite.2)Whom/Who are you talking with?3)To whom did you give the pen,John?【结论】【结论】whom是是who的宾格形式,用作疑问代词,的宾格形式,用作疑问代词,意为意为“谁;什么人谁;什么人”。通过观察以上例句我们。通过观察以上例句我们可知,可知,whom在句中可作在句中可作_词或介词的词或介词的宾语。由例句宾语。由例句1和例句和例句2我们可知,在口语或我们可知,在口语或非正式用法中,非正式用法中,whom往往可以被往往可以被who代替。代替。由例句由例句3我们可知,如果我们可知,如果whom紧接在紧接在_词之后,则不能被词之后,则不能被who代替。代替。动动介介【运用】【运用】根据句意用根据句意用who或或whom填空。填空。1)_ are the children talking about?2)With _ did Mary go shopping last Sunday?Whom/Who whom