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1、Unit1．语法点（理解） 1.There be句型表示“某处有某物” （1）其中there is 用于单数名词或不可数名词，如： There is a pencil case in the school bag. There is some soup/milk /tea/coffee/juice/water/chocolate. （2）There are用于可数名词的复数，如： There are some desks in the classroom. （3）There be 句型的就近原则：be动词后面如果跟的是不止一种
2、物品，就根据离它最近的物品选用is或are.如：There are some pictures and a telephone. There is a telephone and some pictures. 2.There be 句型的否定形式：在be动词的后面加not（is not可以缩写为isn't，are not可以缩写为 aren't）把some 改成any。 例：There is a pencil in the pencil-box.（改为否定句） There isn't a pencil in the pencil
3、-box. There are some crayons on the desk.（改为否定句） There aren't any crayons on the desk. 3.“some”和“any”都有“一些”的意思.“some”一般用于肯定句，“any”用于否定句和一般疑问句。但在一些表示委婉请求，想得到对方肯定回答的疑问句中，也用“some”. 例：1.There are some watermelons in the basket.(肯定句) 2.There aren't any birds in the tre
4、e.(否定句) 3.Are there any toy trains on the table?(疑问句) 4.Would you like some tea?(表委婉请求) 4.can在否定句中的用法：表示某人不能做某事时，通常在can后面加否定词not, 后面加动词原形。 Bobby cannot(can’t) see any cakes in the fridge. 5. 感叹句的结构：感叹句常用how或what来引导 （1）what引导的感叹句 a.What+a/an+形容词+可数名词单数！What a be
5、autiful house! b.What+形容词+可数名词复数！ What nice dresses! c. What+形容词+不可数名词！ What delicious milk! （2）how引导的感叹句 How+形容词/副词！ How nice! Unit2、语法点（理解） 1.How many...(可数名词复数) are there...? 用于询问某处有多少... 例：How many classrooms are there in our school? 2.There be 的一般
6、疑问句,是将be动词提前到there的前面，表示“有......?” （1）Is there...? Yes, there is ./ No, there isn’t . 例：Is there a music room ? （2）Are there any...? Yes, there are./ No, there aren’t. 例：Are there any books? 3.几个缩写 isn’t = is not aren’t= are not it’s = it is they’
7、re= they are 4.序数词 one ----- first two --- second three---- third four---fourth five---fifth six---sixth 5.在楼层前用介词on , on the first /second/ third floor 在一/二/三楼... Unit3、语法 have / has 的用法 1、表示某人有某物。 2、主语是第一、第二人称单数和复数时用 have, 如 I， you, we, the
8、y, the students … 主语是第三人称单数时用 has, 如 he, she, it, Helen, the bird, my father … 3、肯定句： … have / has … We have
