2022年九年级中考英语语法讲解--一般现在时

2022年九年级中考英语语法讲解一般现在时一般现在时：表示经常性或习惯性发生的动作，或存在的状态，即发生在现在，并且难以判断起止状态的动作或状态。构成方式：动词be、have和行为动词用原形;主语为单数第三人称时，谓语动词也要相应地变成第三人称单数。1、一般现在时的用法：当不带感情色彩地叙述现在发生的动作本身时，用一般现在时。(1)用于叙述现阶段经常性或习惯性的动作，常与often, always, sometimes, every day, on Sundays等表示频度的时间状语连用。例：I have breakfast at 7 every morning.我每天早晨7点吃早餐。例：I go swimming on Sundays.每周日我都去游泳。(2)表示现阶段存在的状态、特征或心理活动。例: I like fruits.我喜欢水果。(3)用于叙述客观事实或真理。例：The Thames flows through London.泰晤士河穿过伦敦。例：The sun rises in the east and sets in the west.太阳东升西落。(4)表示主语具备的性格、能力和特征。例：They speak English very well.他们英语说得很好。例：This taxi driver knows the city of Beijing like the back of his hand.这位出租司机对北京城了如指掌。(5)表示计划安排好的将来动作，也可用一般现在时，但只限于：go, come, leave, start, begin, arrive, be等动词。例：The plane takes off at 11 a.m.飞机上午11点起飞。例：We leave Beijing next month.我们下月离开北京。例：He comes back tonight.他今晚回来。(6)在时间、条件状语从句中，用一般现在时代替一般将来时。例：I will write to you as soon as I get to Shanghai.我一到上海就给你写信。例：Turn off the lights before you leave，please. 请走前关灯。例：If it doesn't rain tomorrow, we'll go to the park.如果明天不下雨，我们就去公园。(7)表示(书、信、报纸、通知、牌示、广播等)“说”、“报道”，用一般现在时，主要是动词say.例：The notice says: “No Parking.”告示说：“不准停放车辆”例：The radio says heavy rain in the afternoon.广播预报下午有大雨。(8)叙述历史，常用一般现在时，以使其生动。例：Jeanne is sitting in the park. Matilda walks towards her, she stops and speaksto Jeanne.珍妮在公园里坐着。玛蒂尔达向她走来，她停来和珍妮说话。2、一般现在时的主谓一致使用一般现在时要注意主语和谓语的第一个动词在人称和数的方面的一致。基本规则是：如果主语为第三人称单数，谓语的第一个动词要变为第三人称单数形式。规则如下：规 则动 词 原 形第 三 人 称 单 数 形 式（1）一般在词尾加s：  play, work, leave, swim等plays, works, leaves, swims等（2）以字母s, x, ch, ch, sh, o结尾的动词加es：pass, fix, teach, watch, wish, do等passes, fixes, teaches, watch, wishes, does等。（3）以辅音字母加y结尾的动词，先变y为i，再加es：study, carry, fly, cry等studies, carries, flies, cries等注：have 的单数第三人称形式为has。do的第三人称单数形式为does。       一般现在时练习 一、用括号内动词的适当形式填空。1. He often____________ (have) dinner at home.2. Daniel and Tommy ____________(be) in Class One.3. We ____________(not watch) TV on Monday.4. Nick ____________(not go) to the zoo on Sunday.5. ____________they ____________(like) the World Cup?6. What ____________they often____________ (do) on Saturdays?7.____________ your parents ____________(read) newspapers every day?8. The girl (teach)____________ us English on Sundays.9. She (don't do)____________ homework every day.10. There (be)____________ some water in the bottle.11. Mike (like)____________ cooking..12 She (go)____________ to school from Monday to Friday.13. Liu Tao (do)____________ not like PE. 二、按照要求改写句子1. Daniel watches TV every evening.(改为否定句)____________________________________________________________2. I do my homework every day.(改为一般疑问句，作否定回答)____________________________________________________________3. Amy likes playing computer games.( 对划线部分提问)____________________________________________________________4. We go to school every morning.(改为否定句)____________________________________________________________5. He speaks English very well.(改为否定句)____________________________________________________________6. She is always a good student.(改为一般疑问句，作否定回答)____________________________________________________________四、改错(圈出错误的地方并订正)1. Is your brother speak English?___________________2. Does he likes going fishing?__________________3. He likes play games after class. __________________4. Mr. Wu teachs us English.__________________5. She don't do her homework on Sundays.__________________