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4 以辅音字母加y结尾的名词，变y为i加-es party-parties, family-families, story-stories, city-cities 5 以元音字母加y结尾的名词，或专有名词以y结尾的，加-s toy-toys, boy-boys, day-days, ray-rays, Henry-Henrys 6 以辅音字母加-o结尾的名词 一般加-es hero-heroes, Negro-Negroes, potato-potatoes, tomato-tomatoes 不少外来词加-s piano-pianos, photo-photos, auto-autos, kilo-kilos, solo-solos 两者皆可 zero-zeros/zeroes, volcano-volcanoes/ volcanos 7 以元音字母加-o结尾的名词加-s radio-radios, bamboo-bamboos, zoo-zoos 8 以-th结尾的名词加-s truth-truths, mouth-mouths, month-months, path-paths, 9 特殊变化 child---children, foot---feet, tooth---teeth mouse---mice, man---men ,woman---women there be 句型 一：there be 句型基本认识 1、 定义：There be句型表示某处存在某物或某人。 2、结构：(1) There is +单数可数名词/不可数名词+ 地点状语. (2) There are +复数名词+地点状语. 注意事项：就近原则：谓语动词be要与主语(某人或某物)的数保持一致。当主语是两个或两个以上的名词时，谓语动词要与跟它最近的那个名词一致。如： ① There is a bird in the tree. 树上有一只鸟。 ② There is a teacher and many students in our classroom. 我们教室里有一位老师和许多学生。 ③ There are two boys and a girl under the tree. 树下有两个男孩，一个女孩。 二： there be 句型的常考点 考点一：各种句型转化。 1：变成否定 There are some pictures on the wall. →There aren't any pictures on the wall. =There are no pictures on the wall. There is a bike behind the tree. → There isn't a bike behind the tree. =There is no bike behind the tree. 2：变成一般疑问句 There is some water on Mars. → Is there any water on Mars? There are some fish in the water. →Are there any fish in the water? 3：特殊疑问句 对事物提问 There are many things over there. →What's over there? There is a little girl in the room.→Who is in the room? 对地点状语提问：则用where 引导。如： (责任编辑：admin) |