1、Unit 2 There are forty students in our class. Lesson 12 精通精通 四年级下册四年级下册 Review twenty-one twenty-two twenty-three twenty-four twenty-five twenty-six 二十一二十一 二十二二十二 二十三二十三 二十四二十四 二十五二十五 二十六二十六 twenty-seven twenty-eight twenty-nine eleven twelve thirty 二十七二十七 二十八二十八 二十九二十九 十一十一 十二十二 三十三十 forty fifty si
2、xty seventy eighty ninety one hundred 四十四十 五十五十 六十六十 七十七十 八十八十 九十九十 一百一百 1. 问答数量的句型：问答数量的句型： How many+可数名词复数可数名词复数+are there+其他？其他？ (There is/are+)基数词基数词. 你们班有多少名学生。你们班有多少名学生。 How many students are there in your class. 有有40名学生。名学生。 There are forty students. 2. Lets引导的祈使句，表示让我们做某事：引导的祈使句，表示让我们做某事： Le
3、ts do sth. 让我们从一数到二十九报数。让我们从一数到二十九报数。 Lets count from 1 to 29. 3. 表示表示怎么样的句型：怎么样的句型：How about？ 你们学校怎么样？你们学校怎么样？ How about your school? 4. 问答对方拥有物品的具体数量的句型：问答对方拥有物品的具体数量的句型： How many + 名词的复数形式名词的复数形式+ do you have? I/we+ have + a/an+ 可数名词单数可数名词单数. (I/we+ have +)基数词基数词(+可数名词复数形式可数名词复数形式). How many bags
4、 do you have? 你们有多少书包？你们有多少书包？ We have ninety bags.我们有我们有90个书包。个书包。 Fun story Lets help children in need. We need books. How many books do you have? I have twenty- five books. How many books do you have? I have thirty- five books. How many books do you have? I have forty books. We have one hundred b
5、ooks now. No, we have ninety- nine books. Why? Theres one book here! Language points 1. Lets help children in need. 我们帮助需要帮助的孩子们吧！我们帮助需要帮助的孩子们吧！ help sb. / sth. 帮助某人帮助某人/某事。某事。 例：我们需要帮助那只小狗。例：我们需要帮助那只小狗。 We need help the small dog. in need意为“在危难中，在穷困中”意为“在危难中，在穷困中” 例句：他非常贫穷。例句：他非常贫穷。 He is in great
6、need 2. We need books.我们需要书。我们需要书。 此句中此句中need为实义动词，意为“需要”。其用法如下：为实义动词，意为“需要”。其用法如下： (1)当主语为物时，后接名词或动词当主语为物时，后接名词或动词-ing。 例句例句: 这些花需要浇水。这些花需要浇水。 The flowers need watering. (2)当主语是人时，后可接名词和动词不定式当主语是人时，后可接名词和动词不定式. 即：即：need sth./ need to do sth. 例句例句: He needs some help. You need to wear more clothes.
7、注意：注意：need后跟不定式且用于否定句中时，表示后跟不定式且用于否定句中时，表示 “不必”，指没义务或没必要做某事。“不必”，指没义务或没必要做某事。 例句例句: 你不必马上做那件事情。你不必马上做那件事情。 You dont need to do it at once. Lets check 510 students 20+7 boys 20+3 girls 58 teachers 420 books 1010 pencils 2 3 4 1 5 6 How many students are there? There are fifty. Play roles 510 students
8、 How many boys are there? There are twenty-seven. Play roles 20+7 boys How many girls are there? There are twenty-three. Play roles 20+3 girls Languages Focus How many students are there in your class? Twenty-nine. How many students are there in your class? There are forty. How many teachers are there in your school? There are fifty. How many bags do you have? We have seventy bags. How many pens do you have? We have ninety pens. twenty-onetwenty-nine thirty forty fifty sixty seventy eighty ninety one hundred eleven twelve boy girl teacher school bag book pen pencil
