【期末复习】【知识点详细总结】广州教科版三年级下册英语 Module 6 Pets

三年级下册考点复习U11-U12 Unit11 They’re lovely 1.There be句型 一、定义： 表示某处存在某物/某人。 如：There is a book on the desk. 翻译：书桌上有一本书。 ↓ ↓ 某物 某处 二、结构： ①There is +可数名词单数/不可数名词+ 其它. ②There are +可数名词复数 +其它. 即：be动词要与后面名词的数保持一致。 如：There is a map on the wall. There are two maps on the wall. ③当句中有两个或两个以上的名词时，be动词要与跟它最靠近的名词的数保持一致，称为就近原则。 如：There are two boys and a girl under the tree. (two boys 最靠近be动词) There is a girl and two boys under the tree. (a girl 最靠近be动词) 三、句型转换 ①否定句： 在be动词后加not。 如：There is a book on the desk. →变否There is not a book on the desk. 缩写后变成：There isn't a book on the desk. 注意：肯定句中如含有some，在变成否定句时，要把some变any 如：There are some books on the desk. →变否：There aren't any books on the desk. ② 一般疑问句： 把be动词调到句首，句号变问号。 There is a book on the desk. →变疑：Is there a book on the desk? 注意：当句中含有some时，变为疑问句时，要将some变为any。 There are some books on the desk. →变疑：Are there any books on the desk? ③特殊疑问句 对可数名词的数量进行提问，用How many 如：There are five people in the room.(对划线部分提问) →How