Unit 4 Have fun after class Story time知识点讲解（同步练）-2025-2026学年译林版（三起）英语三年级下册

新译林3B Unit 4 Have fun after class Story time知识点讲解与练习 原句1. Class is over. The students of the Art Club draw pictures in the school. 知识点 1：Class is over. 下课了 核心讲解： 这是课堂常用口语，over 在这里是形容词，表示 “结束的、完结的”。 同义表达：Class is finished. / School is over.（放学了） 反义表达：Class begins.（上课了） 同步练习 1.( ) — _____! Let's go to the playground. A. Class is over B. Class begins C. Good morning 2.( ) The meeting is _____. Let's go home. A. on B. over C. begin 用所给词的适当形式填空： ① School _____ (be) over. Let's play football. ② The class _____ (be) over at 4:30 p.m. every day. ③ When _____ (be) your class over? 知识点 2：the students of the Art Club 美术俱乐部的学生们 核心讲解： of 表示所属关系，意为 “…… 的”，the students of the Art Club = the Art Club's students（名词所有格）。 常见结构：the + 名词 + of + 名词，表示 “…… 的……”，如：the door of the classroom（教室的门）。 同步练习 1.( ) This is a photo _____ my family. A. in B. of C. on 2.( ) The name _____ the cat is Mimi. A. of B. for C. to 用所给词的适当形式填空： ① The students of _____ (we) class are very friendly. ② This is the book _____ (Lily). ③ The window of the room _____ (be) open. 知识点 3：draw pictures 画画 核心讲解： draw 是动词，意为 “画、绘画”，第三人称单数形式是 draws。 常见搭配：draw a picture（画一幅画）、draw pictures（画画，泛指）、draw cartoons（画漫画）。 同步练习 1.( ) My sister can _____ very well. A. draw B. draws C. drawing 2.( ) He often _____ pictures in the park. A. draw B. draws C. drawing 用所给词的适当形式填空： ① I like _____ (draw) pictures after school. ② Look! The boy _____ (draw) a tree. ③ Can you _____ (draw) a butterfly? 原句2. It's a lovely day today. Let's draw some nice pictures of our school. 知识点 4：It's a lovely day today. 今天天气真好。 核心讲解： lovely 是形容词，意为 “可爱的、美好的、令人愉快的”，用来修饰名词。 同义表达：It's a nice day today. / It's a beautiful day today. 常见搭配：a lovely cat（一只可爱的猫）、a lovely gift（一份可爱的礼物）。 同步练习 1.( ) What a _____ day! Let's go for a walk. A. love B. lovely C. loves 2.( ) The little girl is very _____. A. lovely B. love C. loving 用所给词的适当形式填空： ① The dog is so _____ (love). ② I have a _____ (love) doll. ③ It's a _____ (love) morning. 知识点 5：Let's draw... 让我们画…… 核心讲解： Let's = Let us，是祈使句，表示 “让我们……”，后面接动词原形。 结构：Let's + 动词原形 + 其他，否定形式：Let's not + 动词原形。 回答：肯定用 Good idea! / Great!，否定用 Sorry, I can't. 同步练习 1.( ) Let's _____ to the park. A. go B. goes C. going 2.( ) — Let's play football. — _____ A. Good idea! B. Thank you. C. You're welcome. 用所给词的适当形式填空： ① Let's _____ (draw) a flower. ② Let's _____ (not play) computer games. ③ Let's _____ (go) home together. 知识点 6：some nice pictures of our school 我们学校的一些漂亮的画 核心讲解： some 表示 “一些”，后面接可数名词复数（如 pictures）或不可数名词，用于肯定句。 of our school 修饰 pictures，表示 “我们学校的（画）”。 同步练习 1.( ) I have _____ nice books. A. a B. some C. an 2.( ) There are _____ trees in the park. A. some B. any C. a 用所给词的适当形式填空： ① I want _____ (some) water. ② There are _____ (some) flowers in the garden. ③ Do you have _____ (some) pencils?（变否定 / 疑问句用 any） 原句3. Great! I want to draw the flowers in the garden. 知识点 7：Great! 太棒了！ 核心讲解： 口语常用感叹词，用于表示赞同、赞赏，同义表达：Wonderful! / Excellent! / Good! 同步练习 1.( ) — Let's go swimming. — _____ A. Great! B. Sorry. C. Goodbye. 2.( ) — I can play the piano. — _____ A. No, you can't. B. Great! C. Thank you. 用所给词的适当形式填空： ① _____ (great)! Let's go. ② That's _____ (greatly)! ③ You did a _____ (great) job. 知识点 8：want to draw 想要画 核心讲解： want to do sth. 是固定搭配，表示 “想要做某事”，to 后面接动词原形。 第三人称单数形式：wants to do sth. 同义表达：would like to do sth. 同步练习 1.( ) I want _____ a teacher in the future. A. be B. to be C. being 2.( ) She wants _____ pictures in the park. A. draw B. to draw C. draws 用所给词的适当形式填空： ① I want _____ (go) to the zoo. ② He wants _____ (play) basketball. ③ Do you want _____ (eat) an apple? 知识点 9：in the garden 在花园里 核心讲解： in 是方位介词，表示 “在…… 里面”，用于表示在某个封闭 / 半封闭的空间内。 常见搭配：in the room（在房间里）、in the box（在盒子里）、in the school（在学校里）。 同步练习 1.( ) There are many flowers _____ the garden. A. on B. in C. under 2.( ) My books are _____ the bag. A. in B. on C. behind 用所给词的适当形式填空： ① The bird is _____ (in/on) the tree.（外来物用 in，长在树上用 on） ② There is a cat _____ (in/on) the chair. ③ The ball is _____ (in/under) the desk. 原句4. Look! A butterfly is by the tree! 知识点 10：Look! 看！ 核心讲解： Look! 是引起注意的感叹词，单独使用，后面常接现在进行时的句子（表示正在发生的动作）。 区分：look at + 宾语（看……），如：Look at the butterfly.（看这只蝴蝶） 同步练习 1.( ) _____! The bird is flying. A. Look B. Look at C. See 2.( ) _____ the blackboard, please. A. Look B. Look at C. See 用所给词的适当形式填空： ① Look! The girl _____ (run) in the playground. ② Look at _____ (I). I can swim. ③ _____ (look)! A dog is over there. 知识点 11：by the tree 在树旁边 核心讲解： by 是方位介词，表示 “在…… 旁边、靠近”，同义表达：near the tree。 常见搭配：by the window（在窗户旁边）、by the river（在河边）。 同步练习 1.( ) There is a chair _____ the window. A. by B. in C. on 2.( ) The boy is standing _____ the tree. A. on B. by C. in 用所给词的适当形式填空： ① The cat is _____ (by/on) the door. ② There is a boat _____ (by/under) the bridge. ③ Sit _____ (by/between) me, please. 原句5. How beautiful! 真漂亮啊！ 知识点 12：How beautiful! 感叹句 核心讲解： 这是how 引导的感叹句，结构：How + 形容词/副词!，用于表达强烈的赞美、感叹。 完整结构：How + 形容词/副词 + 主语 + 谓语!，如：How beautiful the butterfly is! 同义表达：What a beautiful butterfly!（what 引导的感叹句） 同步练习 1.( ) _____ beautiful the flower is! A. How B. What C. What a 2.( ) _____ a lovely day! A. How B. What C. What a 用所给词的适当形式填空： ① How _____ (beautiful) the girl is! ② What _____ (a) nice picture! ③ How _____ (fast) he runs! 6. Where's the butterfly? I can't find it. 知识点 13：Where's...? …… 在哪里？ 核心讲解： Where's = Where is，用于询问单数物品 / 人的位置，回答用 It's + 方位介词 + 地点。 复数形式：Where are...?，回答用 They're + 方位介词 + 地点。 同步练习 1.( ) — _____ my pen? — It's on the desk. A. Where B. Where's C. Where are 2.( ) — Where _____ your books? — They're in the bag. A. is B. are C. am 用所给词的适当形式填空： ① Where _____ (be) the butterfly? ② Where _____ (be) your parents? ③ — Where _____ (be) the cat? — It _____ (be) under the chair. 知识点 14：can't find 找不到 核心讲解： can't = cannot，是情态动词can的否定形式，后面接动词原形。 find 是动词，意为 “找到、发现”，强调结果；look for 强调 “寻找” 的过程。 同步练习 1.( ) I _____ find my key. A. can't B. can C. am 2.( ) She can _____ the bird in the tree. A. find B. finds C. finding 用所给词的适当形式填空： ① I can't _____ (find) my pencil case. ② Can you _____ (find) the butterfly? ③ He _____ (can) find his dog, so he is sad. 7. Ha ha! It's behind you. 知识点 15：behind you 在你后面 核心讲解： behind 是方位介词，表示 “在…… 后面”，反义词是 in front of（在…… 前面）。 常见搭配：behind the door（在门后面）、behind the tree（在树后面）。 同步练习 1.( ) The ball is _____ the door. A. in front B. behind C. on 2.( ) There is a tree _____ the house. A. behind B. in C. on 用所给词的适当形式填空： ① The cat is _____ (behind/ front ) the chair.（根据语境选择） ② Stand _____ (behind/front) me, please. ③ The bike is _____ (behind/on) the tree. 8. Hey, Wang Bing! Look at the butterfly. It's on the duck. 知识点 16：Look at the butterfly. 看这只蝴蝶。 核心讲解： look at 是固定搭配，意为 “看……”，后面接宾语（名词 / 代词宾格）。 区分：look 单独使用，引起注意；look at 后面必须接看的对象。 同步练习 1.( ) _____ the picture. It's beautiful. A. Look B. Look at C. See 2.( ) Look at _____! I can dance. A. I B. me C. my 用所给词的适当形式填空： ① Look at _____ (he). He is drawing. ② _____ (look) at the flowers. They are nice. ③ Can you _____ (look at) the blackboard? 知识点 17：on the duck 在鸭子身上 核心讲解： on 是方位介词，表示 “在…… 上面（有接触）”，反义词是 under（在…… 下面）。 常见搭配：on the desk（在书桌上）、on the chair（在椅子上）。 同步练习 1.( ) The book is _____ the desk. A. on B. in C. under 2.( ) There is a pen _____ the table. A. in B. on C. behind 用所给词的适当形式填空： ① The apple is _____ (on/in) the tree.（长在树上用 on） ② The bag is _____ (on/under) the chair. ③ The picture is _____ (on/in) the wall. 9. How lovely! 真可爱啊！ 知识点 18：How lovely! 感叹句 核心讲解： 同知识点 12，How + 形容词! 结构，lovely 是形容词，意为 “可爱的”。 完整句：How lovely the butterfly is! 同步练习 1.( ) _____ lovely the dog is! A. How B. What C. What a 2.( ) _____ a lovely cat! A. How B. What C. What a 用所给词的适当形式填空： ① How _____ (love) the baby is! ② What _____ (a) lovely bird! ③ How _____ (nice) the day is! 10. What do you draw, Wang Bing? 知识点 19：What do you draw? 你画了什么？ 核心讲解： 这是一般现在时的特殊疑问句，结构：特殊疑问词 + do/does + 主语 + 动词原形 + 其他? 主语是第三人称单数时，用 does，如：What does he draw? 同步练习 1.( ) — What _____ you draw? — I draw a tree. A. do B. does C. are 2.( ) — What _____ she draw? — She draws a flower. A. do B. does C. is 用所给词的适当形式填空： ① What _____ (do) you draw? ② What _____ (do) he draw? ③ What _____ (do) they draw? 11. A picture of you and the butterfly! 知识点 20：a picture of you and the butterfly 你和蝴蝶的一张画 核心讲解： a picture of... 表示 “…… 的一张照片 / 画”，of 表示所属关系。 you 是人称代词宾格，作介词of的宾语。 同步练习 1.( ) This is a picture _____ my family. A. of B. for C. to 2.( ) I have a picture _____ you. A. of B. in C. on 用所给词的适当形式填空： ① This is a picture of _____ (I). ② That is a picture of _____ (he) and his dog. ③ The picture of _____ (we) is beautiful. 参考答案 知识点 1 1.A 2. B ① is ② is ③ is 知识点 2 1.B 2. A ① our ② Lily's ③ is 知识点 3 1.A 2. B ① drawing ② is drawing ③ draw 知识点 4 1.B 2. A ① lovely ② lovely ③ lovely 知识点 5 1.A 2. A ① draw ② not play ③ go 知识点 6 1.B 2. A ① some ② some ③ any 知识点 7 1.A 2. B ① Great ② great ③ great 知识点 8 1.B 2. B ① to go ② to play ③ to eat 知识点 9 1.B 2. A ① in ② on ③ under 知识点 10 1.A 2. B ① is running ② me ③ Look 知识点 11 1.A 2. B ① by ② under ③ by/near（均可） 知识点 12 1.A 2. B ① beautiful ② a ③ fast 知识点 13 1.B 2. B ① is ② are ③ is; is 知识点 14 1.A 2. A ① find ② find ③ can't 知识点 15 1.B 2. A ① behind（示例） ② behind ③ behind 知识点 16 1.B 2. B ① him ② Look ③ look at 知识点 17 1.A 2. B ① on ② on/under（均可） ③ on 知识点 18 1.A 2. B ① lovely ② a ③ nice 知识点 19 1.A 2. B ① do ② does ③ do 知识点 20 1.A 2. A ① me ② him ③ us 学科网（北京）股份有限公司 $