(
课件网) Unit 2 School life Section 2 Exploring and applying rules 一般现在时 一.定义：示通常性、规律性，习惯性、真理性的动作或状态 二.构成：①动词原型 如：They like play the piano. ②第三人称单数（主语为第三人称单数） 如：He sings well. 三.第三人称单数的规则变化： ①一般情况: 加s，如：thinks, learns ②sh/ch/x/0/s结尾: 加es， 如：watches, miss--misses ③辅音字母+结尾：改y为i再加es， 如：studies, carries ④以o结尾：加es，如：does, goes ①表频率：always(总是), usually(通常),often(经常), sometimes(有时), seldom(极少), hardly(几乎不), never(从不) 如：He is always late. I usually go to school by bus. 注意：频率副词的位置（放在be动词，助动词，情态动 词的后面；放在实义动词的前面） 四.标志词 ②表次数：on Tuesdays(每个星期四), every day(每天), once a day(每天一次), twice a week(每周两次) three times a week(每周三次) 如：Tom plays basketball every Sunday. I watch TV twice a week. 注意：1.表次数：先说次数再说星期 2.3次及以上借助time的复数形式 3.表次数的短语，通常放句末 一、单项选择 1.Mandy likes playing badminton and she plays it _____. A. three time weeks B. three time a week C. three times a week D. three times week 2.The cook _____ for eight hours every day. A. working B. works C. worked D. to work 3.She _____ doing sports, so she _____ goes swimming in her free time. A. likes; often B. likes; hardly C. like; seldom D. like; always 表次数：先说次数再说星期 且3次及以上借助time的复数形式 主语为三单，动词要 用第三人称单数形式 主语为三单，动词要用第三人称单数形式； often是经常，喜欢运动，所以经常游泳 4.-- _____ Anna often late for school -- No, she _____. A. Does; isn’t B. Is; isn’t C. Is; doesn’t D. Does; doesn’t 5.Ben _____ for school. He _____ up early. A. never late; gets always B. is never late; gets always C. is never late; always gets D. never lates; always gets late为形容词，形容词常与be动词连用；用什么提问就用什么回答 频率副词放be动词、情态动词、助动词的后面，放实义动词的前面 五.句型转换（改否定句） ①判断动词属性 1.若谓语动词为be动词、助动词或情态动词，直接在后面加not 如：Tina is a student.→Tina is not a student. Tom can play the guitar.→Tom can not play the guitar. 2.若谓语动词为实义动词，则借助do动词(do/does/did). 注意：借助了助动词后，后面的实义动词恢复原形 如：Bob likes playing chess.→Bob doesn’t like playing chess. 六.句型转换（改一般疑问句） ①判断动词属性 1.若谓语动词为be动词、助动词或情态动词，直接提前到 主语前面 如：Tina is a student.→Is Tina a student Tom can play the guitar.→Can Tom play the guitar 2.若谓语动词为实义动词，则借助do动词(do/does/did). 注意：借助了助动词后，后面的实义动词恢复原形 如：Bob likes playing chess.→Does Bob like playing chess 七.句型转换（改特殊疑问句） ①选择特殊疑问词 ②判断动词属性 1.若谓语动词为be动词、助动词或情态动词，直接提前到 主语前面 如：Tom can play the guitar.→What can Tom do 2.若谓语动词为实义动词，则借助do动词(do/does/did). 注意：借助了助动词后，后面的实义动词恢复原形 如：Bob likes playing chess.→What does Bob like doing 随堂小练：一 ... ...
