Unit10 sectionA 知识点讲解 人教版英语八年级上册.docx

1、八年级上册Unit10Section A 1.If you go to the party, youll have a great time. 如果你去参加聚会，你将玩得很开心。 if 引导的条件状语从句if作连词，意为“如果”，引导条件状语从句。一般情况下，主句的时态是一般将来时或主句是含有情态动词的句子或祈使句时，从句要用一般现在时代替将来。常用结构：(1)If+主语+谓语+其他，主语+谓语+其他(2)主语+谓语+其他，If+主语+谓语+其他【例句】Well go to the Great Wall, if it doesnt rain tomorrow. 如果明天不下雨，我们将去长城Wh

2、at will happen if they dont come here on time? 如果他们不按时来这儿会发生什么事情？Please tell him the news if he comes back. 如果他回来，请告诉他这个消息【拓展】当if意为“是否”时，常引导宾语从句，若主句用一般现在时，从句应根据需要使用相应的时态。【例句】I want to know if you will go to school tomorrow. 我想知道明天你是否去上学I wonder if she has left for Shanghai. 我想知道她是否已经动身去上海了2.I think

3、Ill wear jeans to the party. 我想我将穿着牛仔裤去参加聚会。 wear穿，戴wear是动词，强调“穿、戴”的状态，其后常接衣服、鞋、帽子或饰品等。【例句】She always wear a red dress. 她总是穿着一件红色的连衣裙。Mr. Wang wears a pair of glasses. 王先生戴着一副眼镜。【拓展】wear : 意为“穿、戴”，指穿衣服、穿鞋、戴帽子，强调状态put on : 意为“穿上、戴上”，指穿衣服、穿鞋、戴帽子，强调动作dress : 意为“穿衣服，给（某人）穿衣服”，宾语常是人，常用于dress sb/oneself 结

4、构中【例句】I dont wear glasses. 我不戴眼镜。Put on your coat, it is cold today. 穿上你的外套，今天天气冷。His mother dressed him in new clothes. 他的母亲给他穿上新衣服。3.I think Ill take the bus to the party. 我想我将乘公共汽车去参加聚会。 take the bus 乘公共汽车take the bus 意为“乘公共汽车”，“take+冠词+交通工具”相当于“by+交通工具”【例句】How does she go to school? 她怎样去上学？She t

5、akes the bus to school. =She goes to school by bus. 她乘公共汽车去上学。【拓展】 乘坐交通工具的表达法(1)“动词(walk/ride/drive/fly等)+to+地点名词”表示“步行/骑自行车/开车/坐飞机去某地”(2)“by+交通工具”表示“乘.”(3)“on/in+冠词+交通工具”表示具体的交通方式 4.OK, when is a good time to have the party? 好吧，什么时候举办聚会好呢？ 动词不定式作后置定语本句中to have the party是动词不定式作后置定语，修饰名词time。动词不定式作定语

6、时，要放在它修饰的词后面【例句】His dream to go abroad has come true. 他出国的梦想已经实现了。I have nothing to say about this question. 关于这个问题我们没什么可说的。【拓展】动词不定式的其他用法动词不定式还可作主语、目的状语、宾语、宾语补足语等【例句】Its necessary to master these skills. (作主语)掌握这些技巧是有必要的。He stopped to have a rest. (作目的状语)他停下来休息。I found it useful to learn English we

7、ll. (作宾语)我发现学好英语是有用的。He asked me to talk about my problems in English study. (作宾补)他要求我谈谈我在英语学习方面的问题。5.half the class wont come. .一半的学生将不会来。 half the class 一半的学生half the class 相当于half of the class, 意为“一半的学生”。当half of.结构作主语时，谓语动词和介词of后的名词或代词在数上保持一致【例句】Half the hill is covered with snow. 山的一半被雪覆盖着。Half

8、 of the money was mine. 那笔钱有一半是我的。【拓展】half还可用作名词，意为“半，一半”，其复数形式为halves【例句】The journey takes an hour and a half. 这次旅行花费一个半小时。6.No, lets order food from a restaurant. 不，咱们从餐馆订餐吧。 order 订购，点菜order 是及物动词，表示“订购，点菜”，“order sth from+地点”意为“从某地订购某物”【例句】The young man ordered two dishes for himself. 这个年轻人给自己点了

9、两个菜。I ordered some clothes from that shop. 我从那家商店订购了一些衣服。【拓展】book作动词，可表示“（向旅馆、饭店、电影院）预定，预订”【例句】Id like to book a table for two for 8 oclock tonight. 我想订一张今晚8点钟的二人餐桌。7.If we ask people to bring food, theyll just bring potato chips and chocolate.如果我们要求人们带食物来，他们将只会带炸薯条和巧克力。 ask sb to do sth 要求/请求某人做某事a

10、sk sb to do sth 意为“要求/请求某人做某事”，该结构的否定形式为ask sb not to do sth （要求/请求某人不要做某事）【例句】I often ask my uncle to help me with my maths. 我经常请求我叔叔帮助我学数学。My mom asks me not to eat too much meat. 我妈妈让我不要吃太多的肉。【拓展】 ask 的常用短语ask for sth 请求某物/事ask sb about sth 询问某人某事ask sb for sth 向某人寻求某物【拓展】tell sb to do sth告诉某人做某事

11、want sb to do sth 想让某人做某事teach sb to do sth 教某人做某事8.Mike told us to wear nice clothes,. 迈克告诉我们要穿漂亮的衣服，. tell sb to do sth告诉某人做某事tell sb to do sth“告诉某人做某事”，动词不定式作宾语补足语，其否定形式为tell sb not to do sth告诉某人不要做某事【例句】The teacher tells us to study hard. 老师告诉我们要努力学习。Toms mother told him not to play with fire. 汤

12、姆的妈妈告诉他不要玩火。【拓展】tell sb sth/tell sth to sb意为“告诉某人做某事”【例句】Who told you the news? =Who told the news to you? 谁告诉你这个消息的？9.Can you give me some advice please? 能请你给我一些建议吗？ advice 劝告，建议advice作名词，意为“劝告，建议”。advice是不可数名词，无复数形式，不能直接用an， many等修饰。advice如表示数量时，需要借助量词，如“一条建议”常用a piece of advice表达。【例句】If you take

13、my advice, you should go to see a doctor. 如果你听我的劝告，你应该去看医生。She gives some advice on our plan. 她就我们的计划提了一些建议。Our teacher gives me two pieces of advice on how to learn English well. 我们老师给了我两条关于如何学好英语的建议。【拓展】 ask for sbs advice 征求某人的意见advice的常见短语 give sb advice 给某人提建议follow/take ones advice 听从/采纳某人的建议【例句】At last, the boss took his advice. 最后，老板采纳了他的建议When we have problems, we should ask for our parents advice. 当我们有问题时，我们应该征求我们父母的意见。【注意】advise 是动词，意为“忠告，建议”