七年级上册英语重点、难点知识总结初三英语ppt课件教案人教版

七年级上册英语重点、难点知识总结初三英语ppt课件教案人教版内容摘要：

lish teacher . (2)含有情态动词的句子 （ can ） , She can play basketball. His mother’s cousin can sing many English songs. 含有情态动词的句子在变一般疑问句时只须将 “主语和情态动词交换位置 ”，上面两句变一般疑问句分别为 Can she play basketball ? Can his mother’s cousin sing many English songs ? 含有情态动词的句子在变否定句时直接在情态动词的后边加上 not ,上面两个陈述句变否定句分别为 She can not play basketball . His mother’s cousin can not sing many English songs . (3)含有行为动词的句子 We have many friends. They watch TV at 7 in the evening . The students take their books to school . I have lunch at school . You have a sister . 1 含有行为动词的句子在变一般疑问句时要在原句子的前面加 一般疑问句分别为 Do you have many friends ? Do they watch TV at 7 in the evening ? Do the students take their books to school ? Do you have lunch at school ? Do you have a sister ? 2 含有行为动词的句子在变否定句时只须在行为动词前加 don’t .上述五个陈述句变否定句分别为 We don’t have many friends. They don’t watch TV at 7 in the evening . The students don’t take their books to school . I don’t have lunch at school . You don’t have a sister . 3 含有行为动词的句子，当主语是第三人称单数时，行为动词要加 s (或 es)如： She has a red pen . He has eggs for breakfast . Her mother buys a skirt for her . She likes thrillers . My brother watches TV every evening . He wants to go to a movie . 含有行为动词的句子，当主语是第三人称单数时，变一般疑问句要 “在原句子的前面加上does , 同时行为动词要还原 ”。 上面的句子变 成一般疑问句分别为： Does she have a red pen ? Does he have eggs for breakfast ? Does her mother buy a skirt for her ? Does she like thrillers。 Does your brother watch TV every evening。 Does he want to go to a movie。 含有行为动词的句子 ，当主语是第三人称单数时，变否定句时 “在行为动词前面加 doesn’t , 同时原行为动词要还原 ”。 上面的句子变否定句分别为： She doesn’t have a red pen . He doesn’t have eggs for breakfast . Her mother doesn’t buy a skirt for her . She doesn’t like thrillers . He doesn’t want to go to a movie . My brother doesn’t watch TV every evening . （三）形容词 本册所学的形容词不多，注意拼法和反义词 big (small) long (short) sad (happy) boring (interesting\funny ) exciting difficult relaxing great healthy old (new) successful white (black) favorite busy(free) tired （四）代词 人称代词和物主代词 人称代词 第一人称 第二人称 第三人称 单数 复数 单数 复数 单数 复数 主格 I we you you she\ he\ it they 宾格 me us you you her\ him\ it them 物主代词 my our your your her \his\ its their 指示代词 : this (these) that (those) 不定代词 some someone 疑问代词 who what how much how old (疑问副词： when where ) 反身代词 yourself (五 )数量词 基数词 one two three four five six seven eight nine ten eleven twelve thirteen fourteen fifteen eighteen nieen twenty thirty forty fifty 序数词 first second third fourth fifth sixth seventh eighth ninth tenth eleventh twelfth nieenth twentieth twentyfirst thirtieth fortieth fiftieth （六）介词：本册的介词较少，主要用在介词短语里面，如 on： on sale (销售 ) \ on weekends (在周末 ) \ on April 8th, (在四月八日 ) \ on the desk (在桌子上 ) \ on TV (在电视上 ) in： in English (用英语 ) \ in the afternoon (在下午 ) \ in the case (在盒子里 ) \ Tshirt in red (红色 T 恤 ) \ be in the movie（出演这部电影） \ in September (在九月 ) be strict in 对某事严格 My mother is strict in my。 be in our school music festival （参加我们学校的音乐节） at： call 3356 (拨打 3356找某人 ) \ at your school (在你们学校里 ) \ at Huaxing Clothes Store （在华兴服装店） \ at a very good price (以非常优惠的价格 ) \ at six (六点钟 ) have a look at (看一看 ) be good at 擅长于 be strict with sb 对某人严格 be busy with =be busy doing sth 忙于做某事 of： a set of (一串 …) the photo of your family (你的全家照 ) lots of =a lot of (许多 ) date of birth（ birthday） (生日 ) with： with sb. (同某人一起 ) \ be good with (和 … 相处得好 ) \ help sb. with sth. (帮助某人做某事 )=help sb doing sth for： thanks for =thank you for (谢谢某人的 ….) \ bag for sports (运动包 ) \ pants for $30(卖30 元的裤子 ) \ see for yourself (亲自看看 ) \ for girls (对女孩子来说 ) \ like sth. for lunch (喜欢吃 …… 当作午餐 ) about： learn about Chinese history (学习有关中国历史 ) know about 了解 under： under the desk (在桌子下面 ) （七）副词：除疑问副词外，本册的副词有 only too very well often also really 副词 only often also really 等在句中的位置都是在行为动词前面或是系动词的后面。 注意几组词的区别： too, either 和 also ： too 一般放在句子的末尾， also 在行为动词前面或是系动词的后面。 She is also a students. She also goes to school at six o’clock. either 用于否定句末 He can’t sing either. well 和 good ：两个词都有 “好 ”的意思，但 well 是副 词，而 good 是形容词， well 修饰行为动词，放在行为动词的后面， good 修饰名词，放在名词的前面或放在 be 动词后。 如play basketball well speak English well a good student Good morning （八）冠词：只有不定冠词 a (an)和定冠词 the 两个 不定冠词 a 和 an ： a 用在辅音前，如 a pen a chair a school ID card an 用在元音前 an old teacher an English book an action movie an aunt an uncle an actor an interesting book an ID card an egg an apple an orange 注意辅音字母第一个音是元音的情况： F H L M N S X 这七个字母的第一个音是元音，在说一个以上字母时要用 an ,如 an“F” (一个 F) an “X” (一个 X)。 同时注意字母 U,它是元音字母，但它的第一个音是辅音，因此说一个 U，应为 a “U”。 定冠词 the：当一个名词第二次出现时前面用 the。 注意在三餐饭（ breakfast lunch dinner ）前不用 the ,月份和星期前都不用 the ,体育活动的球类运动前面不用 the。 如 :have dinner \ in January \ December \ Sunday \ play basketball play tennis (volleyball \ soccer \ Ping Pong \ chess \ baseball) 在乐器的前面要用 定冠词 the。 如： play the guitar (the violin \ the piano \ the drum ) (九 )连词：本册所学连词有 and but or then and 连接两个词或两个句子，表示前后的句子意思顺接。 如： I like thrillers and I like action movies. but 连接两个句子，表示后面意思转折。 如： He likes tomatoes but she doesn’t like broccoli. or 表示选择关系。 如： Can you play the piano or the violin? I can play the piano. then 表示动作的先后顺序。 Then I go to school. 二、句子（句子的种类）：句子分为四种即 陈述句、疑问句、祈使句和感叹句。 这里重点介绍疑问句和祈使句 （一）疑问句：一般疑问句、特殊疑问句、选择疑问句、反意疑问句 一般疑问句：。