一般现在时222.ppt

I don’t go to work by bus everyday. you don’t watch TV every night. we don’t play basketball on the weekends. They don’t have lessons every morning. 一般现在时含实意动词的否定句 1.主语是非三单形式的结构： 主语(I/we/you/they/复数名词）＋don’t+动词原形 +其他 一般现在时含有实意动词一般疑问句 1.主语是非三单形式的一般疑问句结构： Do + 主语(I/we/you/they/复数名词) +动词原形+其它？ Do you watch TV every night? Do Mike’s parents play sports? 2. 主语是三单形式的一般疑问句结构： Does +主语(he/she/it/ 单数名词/不可数名词) +动词原形+其它？ Does he like watching TV? Does Sarah wash her clothes? Yes, I do. No, I don’t. Yes, they do. No, they don’t. Yes, he does. No, he doesn’t. Yes, she does. No, she doesn’t. 动词三单式变化规则 1 在动词尾直接加 s. 如：want—wants,work—works,2 以字母s、x、ch或o结尾的动词加-es； 如：guess—guesses, fix—fixes, teach—teaches, go—goes catch—catches3 以辅音字母＋y结尾的动词,先变y为i,再加-es. 如： study—studies, 一般现在时态 一般现在时的用法 表示经常性习惯性的动作或现在的状态 I get up at 6:30. The apple is fresh. 表示现在的能力、特征、职业等 I like summer best. She has two eyes. 表示普遍真理或客观事实 My birthday is in February. 一般现在时的用法 常和always, often, usually, sometimes, every day/morning等副词连用。 I often play football. Sometimes I go hiking. 一般现在时含有Ｂe动词的句型结构 肯定式: 主语＋Ｂe(am /is /are)＋其它． 否定式: （在be后加not) 主语+Be(am is are)+not+ 其它. 疑问式：( 把be提到主语前） Be(Am Is Are)+主语＋其它？ Be动词（am, is, are）用法歌谣 我(I)用am； 你（you）用are； is连着他（he）她(she)它(it)； 单数形式用is； 复数形式全用are。 一般现在时含有实意动词的句型 主语分为非三单形式与三单形式 1.主语为非三单形式（I/we/you/they/复数名词）的肯定句结构： 主语(I/we/you/they/复数名词）＋动词原形(do)＋其它 eg: I go to work by bus every day. you watch TV every night. we play basketball on the weekends. They have lessons every morning. Cats like eating fish. 2.主语是第三人称单数形式（he/she/it/单数名词/不可数名词)的肯定句结构： 主语(he/she/it/单数名词/不可数名词)＋动词三单式＋其它 He goes to work by bus every day. She watches TV every night. Li Ming plays basketball on the weekends. It snows in winter. The dog swims very well. ． ．