2026春单元知识清单&易错练习 Unit 1 We’re friends 译林版 三起 四年级下（新教材）

2026春单元知识清单&易错练习 Unit 1 We’re friends 译林版 四下 语音： 重点语音字母l i在单词中发/a/音，例：like喜欢bike自行车ride骑，乘坐 beside一边 重点单词： them它们，他们，她们 friendship友谊 strong强壮的 forest森林 thin瘦的 net网 angry发怒的，生气的 hole洞 sad悲哀的，难过的 weak虚弱的，无力的 kind友好的，体贴的 become变成，变为 back背部 party聚会，联欢会 重点短语： there is/are有 each other 互相 one day(过去)某一天；有朝一日 our friendship我们的友谊 get together在一起 have a fruit party举办一场水果派对 small and thin又小又瘦 a weak mouse一只虚弱的老鼠 in the forest在森林里 a strong lion一头强壮的狮子 become good friends变成好朋友 share...with...与......分享...... make a hole in the net在网上弄个洞 just like就像 go away走开 our friendship 我们的友谊 their is 有 share our fruit 分享我们的水果 so many carrots 这么多胡萝卜 a big hole 一个大洞 in the net 在网里 so kind 这么友善 on my back在我的背上 so weak 这么弱小 share the happiness 分享快乐 side by side并排;肩并肩地 come to help 过来帮忙 重点句型： 1.We become good friends! 我们成了好朋友! 2.There are so many carrots. 有这么多的胡萝卜。 3.I want to share them with my friends. 我想要和我的朋友们分享它们。 4.They are from my friend Ruby. 它们来自我的朋友鲁比。 5.We can have a fruit party now . 我们现在能开个水果派对了。 6.We want to share our fruit with you. 我们想和你分享我们的水果。 7.—The fruit is so sweet.—Just like our friendship. —这些水果这么甜。—像我们的友谊一样。 8.There are many animals in the forest. 森林里有许多动物。 9.The lion is big and strong. The mouse is small and thin. 狮子又大又壮。老鼠又小又瘦。 10.The lion is in the net. He is sad. 狮子困在网里。他很难过。 11.There is a big hole in the net. 网上有一个大洞。 12.Let me help you. I can make a hole in the net. 让我帮助你吧。我能在网上打一个洞。 13.The lion and the mouse become good friends. 狮子和老鼠成为好朋友。 14. —What do you share with your friends? —We share the food and the happiness together. —你(们)和朋友们分享什么? —我们一起分享食物和快乐。 句型解析和语法： 1.表示某处有某物的句型： (1)There is a big hole in the net。 网上有个大洞。 (2) There are many animals in the forest. 森林里有很多动物。 句型结构： There+be动词+名词短语+方位介词短语。 2.形容某物特征的句型： Our friendship is sweet。 我们的友谊很甜。 句型结构： 主语+be动词+形容词。 3.there be句型的用法： there be句型用于介绍客观上的"某处有某物/某人",be动词需和后面离它最近的名词保持一致，当名词是可数名词复数时，be动词用are；当名词是可数名词单数或不可数名词时， be动词用is. 4.there be句型的陈述句 一、定义： there be句型用于介绍客观上的"某处有某物/某人". 二、there be句型的结构： (一)肯定句： 1.There is+a/an+可数名词单数(+介词+地点) 例：There is a pen on the desk. 书桌上有一支钢笔。 2. There are+可数名词复数(+介词+地点). 例：There are four apples on the ground. 地上有四个苹果。 3. There is+不可数名词(+介词+地点). 例：There is some milk in the bottle. 瓶子里有一些牛奶。 (二)否定句： 1.There isn't+a/an+可数名词单数(+介词+地点). 例：There isn't a book in the schoolbag. 书包里没有书。 2.There aren't+可数名词复数(+介词+地点). 例：There aren't five bananas on the table. 桌子上没有五根香蕉。 3.There isn't+不可数名词(+介词+地点). 例：There isn't any juice in the glass. 玻璃杯里没有果汁。 注意：some和any都表示"一些"，但是some一般用于肯定句中，any一般用于否定句和疑问句中。 (三)就近原则：当there be句型中出现两个及两个以上并列的主语时，be动词的形式由最靠近be动词的名词决定，遵循"就近原则". 例：There are two boys and a girl in the park. 公园里有两个男孩和一个女孩。 易错练习： 一、根据首字母，汉语提示填空。 1.F________ can help each other when they are in trouble. 2.The lion is big and s________, but the mouse is small and w________. 3.Ruby has many carrots. She wants to s________ them with her friends. 4.There are many animals in the f________. 5.We become good friends. Our f________will last long. 6.The mouse is small and________(瘦的). 7.________(有)many animals in the forest. 8.________(谢谢)you for your book. 9.The mouse is________(虚弱的),but he can help the lion. 10.The lion is________(难过的)because he is in the net. 二、用单词的适当形式填空。 1. There are many________(tree) in the forest. 2. Let's________(share) the carrots with our friends. 3.The lion and the mouse become good________(friend). 4. There________(be) a mouse under the bed. 5.How can you________(help) me,little mouse? 6.Please don't________(drink)the water.It's too cold. 7. Do you want________(have) a fruit party? 8. Our________(friendship) is so sweet. 7.Thank you for the________(carrot),Ruby.They are so sweet. 10.We can ________(become)friends one day. 三、按要求完成下面各题。 1. There are some eggs on the table.(改为单数句) There________ ________ ________on the table. 2. There is a book on the desk.(改为复数句) There________ ________ books on the desk. 3. There are some boys in the classroom.(改为否定句) There________ ________boys in the classroom. 4.The lion is big and strong.(改为一般疑问句) ________ the lion big and strong? 5.I can help you.(改为否定句) I________ ________you. 6.The lion is in the net.(对画线部分提问) ________ ________the lion? 7.The lion is big and strong.(改为否定句) The lion________big________strong. 8.Let's share the carrots with friends.(作出肯定回答) ________ ________! 9.there, a, is, house, small, the, in, forest (.)(连词成句) _______________________________________________ 10. many, there, flowers, in, garden, the,are(.)(连词成句) _______________________________________________ 11.share,fruit, with, we,other, each (.)(连词成句) _______________________________________________ 4、 单项选择。 ( ) 1.There________some big and red apples on the tree. A.are B.is C.am ( ) 2.You are so________.You can't help me. A.kind B.sweet C.weak ( ) 3.We get some carrots________ the rabbit.Let's share them ________our family. A.from;with B.to;from C.from; to ( ) 4.—________ —I can make a fruit salad for you. A.What do you have? B.How can you help me? C. Why can you help me? ( ) 5.The bear is________,but the mouse is weak. A.small B.strong C.cute ( ) 6.I get some sweet apples________ my mother.They are juicy. A.under B.to C.from ( ) 7.________are some fresh carrots in the basket. A.There B.They C.We ( ) 8.Lily is new here.But Yang Ling and Lily________ soon. A.become friends B.become friendship C.become friend ( ) 9.This is________ mouse.________is small. A.my; It B.me; It C.my; They ( ) 4.Which poem(诗)is about"friendship"? A.海内存知己，天涯若比邻。 B.春眠不觉晓，处处闻啼鸟。 C.空山新雨后，天气晚来秋。 参考答案： 一、 1 Friends 2 strong; weak 3 share 4 forest 5 friendship 6 thin 7 There are 8 Thank 9 weak 10 sad 二、 1. trees 2. share 3. friends 4. is 5. help 6. drink 7. to have 8. friendship 9. carrots 10. become 三、 1.There is an egg 2. are some books 3.aren't any 4.Is 5.can't help 6.Where is 7.isn't ;or 8.Good idea! 9. There is a small house in the forest. 10. There are many flowers in the garden. 11. We share fruit with each other. 四、 1. A 2. C 3. A 4. B 5. B 6. C 7. A 8. A 9. A 10. A 第 1 页 共 7 页 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $