【口袋书】小升初英语语法知识点-一般现在时讲义 （全国通用版）

小升初一般现在时讲义 一般现在时定义 1. 表示事物或人物的特征、状态。 如：Tom is tall. Tom长得很高。 Those flowers are red. 那些花是红色的。 2. 表示经常性或习惯性的动作。 如：I usually get up at eight o’clock.我通常在八点起床。 He lives in Beijing. 他住在北京。 3. 表示客观真理。 如：The earth goes around the sun.地球绕着太阳转。 Summer comes after spring.春去夏来。 一般现在时的构成 ①当谓语动词是be动词时，构成为：主语+be动词（am,is,are）+其他。 如： They are my friends.他们是我的朋友。 ②当主语是行为动词时，构成有两种： （1） 主语（非第三人称单数）+动词原形+其他。如： We often go to the park at weekends.我们经常在周末去公园。 （2） 主语（第三人称单数）+动词第三人称单数形式+其他。如： Tim usually plays basketball after school.Tim通常会在放学后打篮球。 ③句型变换（难点） 如何把陈述句改为一般疑问句？可以按照以下步骤： 1. 在陈述句中寻找is\am\are\can\will这几个单词 I am a student. She is a beautiful girl. He is a strong boy. They are cute dogs I can swim very well. I will go to Beijing this summer. 2. 若句子中出现is\am\are\can\will几个单词，就直接把这几个单词放到句子的最前面，后面句子照抄， 注意大小写字母的变化，并把句点改为问号。 I am a student.→Are you a student?(I am 是特殊的，通常用Are you…?进行提问) She is a beautiful girl.→Is she a beautiful girl ? He is a strong boy.→ Is he a strong boy? They are cute dogs.→ Are they cute dogs? I can swim very well.→Can you swim very well?(句子中出现I，都要改成you) I will go to Beijing this summer.→Will you go to Beijing this summer? 3. 若句子中没有出现以上几个单词，就要用助动词do\ does来进行提问，放在句子的最前面。 a. 当句子的主语不是单数第三人称时，用do来提问，后面句子照抄，句子中的I 变成you。 I like dancing.→ Do you like dancing? They have five cars.→Do they have five cars? （句子中主语I \ they 都不是单数第三人称，所以用do提问，放在句子最前面，有I 的地方改成you, 其他不变。） b.当句子的主语是单数第三人称时，用助动词does来提问，后面句子照抄，但是注意动词必须改为原形。 He likes playing basketball.→Does he like playing basketball? The dog runs quickly. → Does the dog run quickly? His father goes to work by car. → Does his father go to work by car? 句子中主语He \ The dog\ His father 都是单数第三人称，所以用does提问，放在句子最前面，动词必须改为原形。 肯定句 否定句 一般疑问句及回答 We are friends. We aren’t friends. Are you friends? Yes,we are./No,we aren’t. I play football at six every day. I don’t play football at six every day. Do you play football at six every day? Yes, I do./No,I don’t. She swims everyday. She doesn’t swim everyday. Does sh