八年级英语上册第六单元重要知识点汇总（人教版）.doc

八年级英语上册第六单元重要知识点汇总（人教版） 八年级英语上册第六单元重要知识点汇总（人教版）短语： grow up every day be sure about make sure sendto be able to the meaning of different kinds of the meaning of in common at the beginning of write down have to do with take up hardly ever tooto 短语用法： want to do sth. be going to + 动词原形 practice doing sth. keep on doing sth. learn to do sth. finish doing sth promise to do sth. help sb. to do sth. remember to do sth. agree to do sth. love to do sth. be going to 的用法 1) be going to + 动词原形表示将来的打算、计划或安排。常与表示将来的tomorrow, next year等时间状语或when 引导的时间状语从句连用。各种句式变换都借助be 动词完成，be随主语有am, is, are 的变换，going to 后接动词原形。 肯定句： 主语 + be going to + 动词原形 + 其他。He is going to take the bus there. 否定句： 主语 + be not going to + 动词原形 + 其他 Im not going to see my friends this weekend. 一般疑问句： Be + 主语 + going to + 动词原形 + 其他 肯定回答： Yes, 主语 + be. 否定回答： No, 主语 + be not. Are you going to see your friends this weekend? Yes ,I am. / No, Im not. 特殊疑问句： 疑问词 + be + 主语 + going to + 动词原形 + 其他? What is he going to do this weekend? When are you going to see your friends? 2) 如果表示计划去某地，可直接用 be going to + 地点 We are going to Beijing for a holiday. 3) 表示位置移动的动词，如go , come, leave 等常用进行时表示将来。 The bus is coming. My aunt is leaving for Beijing next week. 4) be going to 与 will 的区别： 对未来事情的预测用“ will + 动词原形”表达，will 没有人称和数的变化，变否定句要在will 后面加not, 也可用will 后面加 not,或者缩略式wont, 变一般疑问句将will 提至 句首。 Will planes be large in the future? Yes, they will. / No, they wont. will 常表示说话人相信或希望要发生的事情，而be going to 指某事肯定发生，常表示事情很快就要发生。 I believe Lucy will be a great doctor. 陈述将来的某个事实用will. I will ten years old next year. 表示现在巨大将来要做的事情用 will. Im tired I will go to bed. 表示意愿用will. Ill tell you the truth. 表示计划、打算要做的事情用 be going to, 而不用 will. 1 promise vt. 保证，许诺。有三种结构： 1)promise to do sth. _My mother promised to buy a piano for me. 2)promise sb. sth. _ My aunt promised me a bike. 3)promise + that 从句_ Tom promises that he can return on time. promise n. 允诺， 诺言 Lily is a dishonest girl. She never keeps a promise. 2.when 与 while 的区别： when 表示“当时候”，既指时间点，又指一段时间，when 引导的时间状语从句中的动词可以是终止性的也可以是延续性的。When the teacher came in, the students were talking. When she arrives, Ill call you. while 表示“当时候”，仅指一段时间，从句中的动作必须是延续性的，一般强调主从句的动作同时发生， while 还可以作并列连词，意为“ 而、却”，表示对比关系。 Lisa was singing while her mother was playing piano. Tom is strong while his younger brother is week. 3. practice vt. 练习， 后接名词，代词或v-ing 作宾语。 Your elder sister is practicing the guitar in the room. 常跟v-ing 作宾语的动词有： 考虑建议盼原谅：consider, suggest/advise, look forward to, excuse, pardon. 承认推迟没得想： admit, delay/put off, fancy. 避免错过继续练：avoid, miss, keep/keep on, practice. 否认完成能欣赏： deny, finish, enjoy, appreciate. 不禁介意与逃亡： cant help , mind, escape. 不准冒险凭想象： forbid, risk, imagine. 4. everyday 与 every day 区别 everyday adj.