初中英语新人教版七年级下册Unit4 语法及写作（2025春）.doc

1、七年级英语下册Unit4 语法及写作一、语法可数名词及不可数名词* 定义：名词的数指数量，即“多少”。单数：表示“一”；复数：表示“多于一”* 名词可数性：可数名词和不可数名词* 可数名词单数变复数规则1.一般情况直接加s 如：star - stars; book - books 等2.以字母s,x,sh,ch等结尾词直接加es 如：bus - buses; watch - watches等3.以字母f或fe结尾的词将f或fe变为v再加es 如：leaf - leaves; knife - knives等4.以辅音字母加y结尾的词变y为i再加es 如：baby - babies; city -

2、 cities等5.以元音字母加y结尾的词 直接加s 如：toy - toys; monkey - monkeys等6.以es, se, ze, ge等结尾的词直接加s 如：face - faces; orange - oranges等7.以辅音字母加o结尾的词若表示有生命力则加es 如：tomato - tomatoes; hero - heroes等若表示无生命力则加s 如： photo - photos 等8.不规则变化改a为e型：man - men; woman - women 改oo为ee型：tooth - teeth; foot - feet 在词尾加-ren：child - ch

3、ildren单复数形式相同：sheep; deer; Chinese; Japanese常用复数形式或只有复数形式：noodles; glasses; trousers; thanks; clothes; chopsticks; people等 其他特殊形式：mouse - mice; 老鼠；mouse - mouses 鼠标注意：1.有些以f或ef结尾的词直接加s变成复数： 如：roof - roofs; chief - chiefs等2.由man和woman 构成的合成词，其复数形式需前后都变复数：如：man doctor - men doctors； woman teacher - wo

4、men teachers等3.名词作定语修饰另一个名词时，通常只变后一个名词：如：boy student -boy students；apple tree - apple trees等* 不可数名词的量化：通常不可数名词没有复数形式，不能用a/an修饰，且不能用数词直接修饰。不可数名词作主语时，谓语动词通常用单数注意：不可数名词的量化具体的量：数词+表示数量的名词+of+不可数名词；如：a piece of paper 一张纸；three kilos of rice 三公斤大米大概的量：表示量的限定词+不可数名词（用some, much, little, a little, a lot of等

5、表示）；如：some water 一些水；a lot of money 许多钱* 既可作可数也可作不可数Chicken (可数) “小鸡”(不可数) “鸡肉”Paper (可数) “文件” (不可数) “纸”Experience (可数) “经历”(不可数) “经验”Room (可数) “房间”(不可数) “空间”Fish (可数) “鱼的条数、种类”(不可数) “鱼肉”Time (可数) “次数” (不可数) “时间”Glass (可数) “玻璃杯”(不可数) “玻璃”Work(可数) “作品”(不可数) “工作”【即学即用】一、用所给词的适当形式填空1.The deer has four

6、_feet_ (foot) .2.Her two brothers are _policemen_ (policeman).3.Can you see nine _horses_ (horse) in the picture?4.The boy has two _watches_ (watch).5.There are lots of _potatoes_ (potato) in the basket.二、单项选择( C ) 1.There are four _ and two _ in the group.A.Japanese; Germen B.Japaneses; Germen C.Ja

7、panese; Germans D.Japaneses; Germans( C )2.Two _ would come to the village.A.woman doctors B.women doctor C.women doctors D.woman doctors( A )3.Can you see nine _ in the picture?A.sheep B.dog C.pig D.horse( B )4.They come from different _.A.country B.countries C.a country D.countrys( B )5.Would you

8、like _, please?A.two glass of water B.two glasses of waterC.two glass of water D.two glasses of waters二、写作本单元写作话题为“健康饮食”。（一）常见短语：1.Having healthy diet 有健康的饮食2.Be good for 对.有好处3.Too much fruit and vegetables 太多的果树4.Drink too much water 多喝水5.Focus on 集中6.Balanced diet 平衡的饮食（二）常见句式：1.Healthy eating ha

9、bits are very important for our health.2.We should focus on a balanced diet.3.We should eat fresh vegetables and fruits every day.4.Breakfast is the most important meal for people.5.It is very good/bad for our health.（三）写作方法：可按照“总分总”结构总：直接引出话题，交代健康饮食的重要。分：介绍如何吃得健康及不健康的饮食。总： 三餐中哪餐最重要。（四）范文：Healthy ea

10、ting habits are very important for our health.We should build healthy eating habits.We should eat fresh vegetables and fruit every day.They supply rich and the necessary vitamins for us.We also should eat less meat every day.And we had better drink a glass of milk in the morning or at night.Besides,

11、 we should focus on a balanced diet, which assures us the necessary nutrition.Fast food is a fatal killer for our health so that we should stay far from them.It is said that most of students do not eat anything at all in the morning.It is very bad for our health.Breakfast is the most important meal for people.3