苏教版4BUnit1-8知识点整理.doc

4B知识点总复习易错知识点：1. 介词at, in, on的用法at表示在“某时刻或某个时间点”，如at one oclock at three fifteenin表示在“某段时间内”如：在早晨in the morning 在下午in the afternoon 在晚上in the evening，但是在夜里at night一年四季用介词 in 如：in spring, in summeron表示“具体某一天、某天上午、下午或者晚上”如on Sunday, on my birthday, on Monday evening2. have表示“有”，有两种形式have和has。前者用于第一人称(I， we),第二人称(you)和第三人称复数(they),后者用于第三人称单数(he，she，it，the boy，单个的人名)或在动词后加s, 如： （1）She/He/David has a fever/has lunch.（2）She/He/David draws some pictures in the park.（3）He gets up at seven.3. 在can, cant, want to, do，dont, does，doesnt，let后面加动词原形。如：（1）She/He/David can have lunch at twelve.（2）She/He/David wants to drink some juice.（3）Dont swim in the river, its very dangerous.(危险的)(4 ) Lets go to the playground.4. some一般用于肯定句和征求别人意见的疑问句中，如：（1）I can see some cakes on the table. 我在桌子上能看到一些蛋糕。（2）Can I have some cakes? 我可以吃些蛋糕吗？（3）Would you like some cakes? 你想要些蛋糕吗？any 一般用于疑问句和否定句中，如：（1）Do you have any cakes? 你有蛋糕吗？（2）Can you see any flowers under the tree ? 在树下你能看见花吗？（3）We dont have any lessons on Saturday. 我们在周六没有课。5. 星期日至星期六 Sunday Monday Tuesday Wednesday Thursday Friday Saturday注意每周的第一天是星期日，最后一天是星期六书写的时候注意首字母要大写，注意区分周二Tuesday和周四Thursday，易考易混淆6. 学科类单词 Chinese, Maths, English, Music, Art, Science, PE除了PE, 其他表示学科类的单词首字母都要大写7. We have Chinese, English, Maths, Art, PE, Music and Science. 多个学科并列时要用逗号隔开（注意不能用顿号），最后两个单词之间要用and连接8. Its time to/for. 句型Its time to + 动词. Its time to have a PE lesson. Its time for + 名词. Its time for PE.9. in the tree表示外来物在树上，如小鸟、猴子、气球等。 on the tree 表示长在树上的东西，如树叶、果实等。（1）I can see some birds/ monkeys in the tree. ( 2 ) I can see some apples/pears on the tree.10. 区分 subject和lesson subject指的是某一门课程，学科，例：What subjects do you like? 你喜欢什么课程？lesson指的是上的课，例：What lessons do you have this morning? 你今天早上有什么课？11. be动词是指am, is, are。 am与I搭配。 is和一个人或一件物品或it, this, that搭配。 are 和两个及两个人以上或两件或两件以上物品或we, they, these, those搭配。（口诀：我用am你用are, is用在他她它）如：（1）I am= Im very cold. ( 2 ) She/He/David is very hot.( 3 ) The cat is very hungry. ( 4 ) It is a fine day. ( 5 ) Whose dress is this ? ( 6 ) We/ They are ill.( 7 ) These/ Those cakes are very nice. ( 8 ) Helen and Mike are at home now.( 9 ) Five books are on the table.12. 大部分以元音字母“a e i o u”开头的单词前用“ an” 表示，其余都是用“ a ” 表示。an apple 一个苹果 an elephant 一头大象 an orange coat 一件橙色外套an ice cream 一个冰淇淋 have an Art lesson 上/有一节美术课 an English book 一本英语书 an egg 一个鸡蛋13、人称代词主格宾格物主代词缩略形式第一人称ImemyIm=I amweusourWere=we are第二人称（单复数）youyouyouryoure=you are第三人称单数hehimhishes=he issheherhershes=she isitititsits =it is复数theythemtheirtheyre=they are2