人教版六年级英语下册Unit2知识点汇总.docx

Unit2 Last weekend 知识点整理话题：初识一般过去时（动词的过去式），询问某人周末过得怎么样？以及 在过去的时间里做了什么，是否做了某事。动词过去式的构成规则： 一般直接ed； 以辅元辅结构，双写再ed； 以辅音字母y结尾，把y改i再ed； 以不发音的e结尾d； 不规则的动词过去式需单独记忆 1. 动词过去式的规则变化直接ed辅元辅双写edy变iede结尾dcleaned washed stayed watched played talked wanted listenedfixedstoppedplannedstudiedcriedlikedtastedlivedhoped 词尾的读音 在浊辅音和元音后面读/d/ 在清辅音后面读/t/ 在/t/、/d/音后面读/id/2. 不规则动词过去式 do/does did am/is was are were have/has had see saw drink drank go went sleep slept make madeget got read read3. 动词短语cleaned my room washed my clothes stayed at homewatched TV did my homework drank tea(喝茶) read a book saw a film(看电影) had a cold(感冒)went boating(划船) listened to music made the bed(整理床铺)4. 时间短语last night(昨晚) last Monday(上周一) last weekend(上个周末) yesterday(昨天) the day before yesterday(前天)句型： 询问对方周末过得怎么样 How was your weekend? It was fine/good/great,thank you. 询问某人在过去的时间里做了什么 What did 主语do（过去时间）？ 主语 动词过去式其他。 例句：What did you do last weekend? I stayed at home and watched TV.前面用了did，后面的动词要用原形 询问对方在过去的时间里是否做了某事 Did 主语动词原形其他？ Yes,主语 did. / No, 主语 didnt.一般过去时不存在三单形式 例句：Did he have a cold yesterday? Yes,he did. / No,he didnt.17、细胞学说的建立被誉为19世纪自然科学的三大发现之一。 Did you see a film (last night)?2、你知道哪些昆虫？ Yes,I did. / No,I didnt. 询问电影是否有趣16、大量的研究事实说明生命体都是由细胞组成的，生物是由细胞构成的。我们的皮肤表面，每平方厘米含有的细胞数量超过10万个。 Was it interesting？ Yes,it was. / No, it wasnt.知识点：答：我们在水中可发现变形虫、鼓藻、草履虫、船形硅藻等。1：否定（缩写）形式： 直接not did didnt 二、问答： was wasnt were werent2：想要做某事：want to 动词原形22、光的传播速度是每秒钟30万千米，光年就是光在一年中所走过的距离，它是用来计量恒星间距离的单位。3：than 动词ing 例：Its faster than walking.4： enjoy（享受）动词ing I enjoy playing computer games.答：烧饭时米变成了饭；写字时纸上留下了字迹；下雨后路上的积水慢慢地变成水蒸气消失在空中；岩石风化变成沙子等。也5： too 用于肯定句 either 用于否定句3、苍蝇落在竖直光滑的玻璃上，不但不滑落，而且还能在上面爬行，这和它脚的构造有关。蟋蟀的耳朵在足的内侧。蝴蝶的翅膀上布满彩色小鳞片，其实是扁平的细毛。6: 句型的转换 He read a book yesterday afternoon.（对划线部分提问） What did he do yesterday afternoon ? 4、咀嚼馒头的外皮也可以感觉到甜味吗？为什么？I washed my clothes last morning.（改为一般疑问句）3、月球是距离地球最近的星球直径大约是地球的1/4，质量大约是地球的1/80，月球体积大约是地球的1/49，月球引力大约是地球的1/6。 Did you wash your clothes last morning? I went shopping last night. （改为否定句） I didnt go shopping last weekend. Did you do your homework last night. （否定回答） No,I didnt. My weekend was bad . （就划线部分提问） How was your weekend ? 易错题v She usually cleans her room on the weekend. v She cleaned her room last weekend.v I like watching TV. I watched TV yesterday.v I am going to see a film next Friday. I saw a film last Friday.v We didnt go boating the day before yesterday.