四年级下册英语单元知识清单人教精通版

Unit 1 Welcome to my new home!
重点词汇：home 家, sofa 沙发, bedroom 卧室, bed 床, desk 课桌, chair 椅子, living room 起居室, TV 电视, armchair 单人沙发, ball 球, kite 风筝, kitchen 厨房, fridge 冰箱, table 桌子, study 书房, computer 电脑, picture 图片, bathroom 浴室, DVD player 播放机, clock 时钟
重点句子：
1. 如何给别人介绍自己的家
Look at... E.g. Look at my bedroom. 看我的卧室。Look at the study. 看这个书房。This is... / That is... E.g. This is the kitchen. 这个是厨房。That's the bathroom. 那是卫生间。
2. What's in the...? E.g. What's in your study? 你的书房里面有什么？What's in the living room? 客厅里面有什么？
3. There be 结构：“(某地)有某物”
肯定句：There is... / There's... + 可数名词单数或不可数名词 E.g. There is a new TV. There are two sofas. There are some books.
否定句：There isn't... + 可数名词单数; There aren't... + 可数名词复数 E.g. There isn't a DVD player. There aren't two sofas. There aren't any books.
一般疑问句：Is there... + 可数名词单数; Are there... + 可数名词复数
肯定回答：Yes, there is / Yes, there are
否定回答：No, there isn't / No, there aren't
there be 结构遵循“就近原则”，be 动词单复数取决于离它最近的名词。
例句：There is a table, a TV and a sofa in the living room. There is a table, a fridge and four chairs in the dining room. There are four books, a pen and a pencil on the desk.
Unit 2 There are forty students in our class.
重点词汇：twenty-one 二十一, twenty-two 二十二, twenty-three 二十三, twenty-four 二十四, twenty-five 二十五, twenty-six 二十六, twenty-seven 二十七, twenty-eight 二十八, twenty-nine 二十九, thirty 三十, forty 四十, boy 男孩, girl 女孩, fifty 五十, sixty 六十, teacher 教师, school 学校

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