Unit 1 This is me 培优讲义(无答案)2024-2025学年牛津译林版英语七年级上册

7A Unit1培优 Part I：Grammar 一般现在时 一般现在时的定义: 表示现在经常性、习惯性、规律性的动作或者现在存在的状态的一种时态。 二、一般现在时的用法 分类 例句 1）表示现在经常性、习惯性、规律性的动作 I get up at six o’clock every day. I go to school at 7:00 every morning. I often go to school by bike. 2）表示主语现在的特征或状态 I am a teacher. /You are a student./He is a policeman./ She is a doctor. /I am happy. /We are family./ Mary is 12 years old. 3）表示一般性事实、客观真理或格言 The earth moves around the sun. Light travels faster than sound The sun is bigger than the earth. Failure is the mother of success. Practise makes perfect. 4) 表示按规定或时间表预计将要发生的动作 We are going to Shanghai, and our plane takes off at 8:00. 5) 当主句为一般将来时态时，在if, as soon as, until, when等引导的状语从句中用一般现在时代替一般将来时。（主将从现） If it doesn't rain this afternoon, we'll have a football match. We will start as soon as you are ready. 当一般现在时表示现在经常性、习惯性的动作时常连用的时间状语： 1）表示频度的副词：always, often, usually, sometimes 2）on Sundays, on Monday afternoons, every day/week/month/year等时间状语 3）once a year, twice a month, three times a week 等表示频度的词组 三、一般现在时的构成 1) 谓语动词为be (am ,is ,are) （主语+be+其他） I am a teacher. You are a student. He/She is a doctor. 谓语动词为实义动词 （主语+do/does+其他） I like English. Mike likes English. Mike speaks good English. I go to school on foot (by school bus, by bus, by bike). Lily goes to school on foot (by school bus, by bus, by bike). Tony often watches TV in the evening. Jack always washes in cold water. Mike studies English, Chinese, Math at school. 动词第三人称单数变化规则 ▲第三人称单数：he/she/it; 可数名词单数；不可数名词. 规则 动词原形 动词第三人称单数形式 例句 一般情况加 -s like enjoy likes enjoys Lisa likes walking down the street and enjoys the sunshine. 以_s,_x,_ch,_sh,_o_ 结尾的动词后加 -es pass wash watch fix go passes washes watches fixes goes He always washes in cold water. Tony often watches TV in the evening. Lily goes to school on foot every day. 以辅音字母加y结尾的动词，去y加-ies study cry studies cries She studies Chinese for leaning more culture of China. Mike studies English, Chinese, Math at school. Don’t take any notice for Nina, she always cries for nothing. 特殊形式 have has Sona has musical talent. 句型转换 谓语动词为be动词 否定：主语+be + not+其他 一般疑问句：be+主语+其他 （即将be提到句首） 含be动词的一般现在时 肯定句（我用am，你用are，is连着他她它,单数is复数are，不可数用is） He is 12 years old. 否定句（be后加not） 一般疑问句（be提至句首） 回答 2、谓语动词为实义动词 肯定：主语+do/does+其他 否定：主语+助动词do/does + not+动词原形+其他 疑问：Do/Does+主语+其他 回答：肯定：Yes,主语+do/does. 否定：No,主语+do/does + not. 行为动词（主语为非第三人称单数） 肯定句 I like Jiaxin. 否定句：动词前加助动词don't 一般疑问句：句首加助动词Do 回答 行为动词（主语为第三人称单数） 肯定句 Mike likes Jiaxin. 否定句：动词前加助动词doesn't, 有助 ... ...