一般现在时 (3)ppt课件.ppt

1、一般现在时,1,定义,、表示客观真理或事实I am a student.、表示经常或习惯性的动作she does the homework every day.,2,第三节：特殊疑问句,第一节：标志词,第二节：结 构,3,4,1、every系列,every,day year month week morning afternoon evening,5,、频率副词 never,6,频率副词用法举例,、its often windy in spring. 、you usually go to school every day.,7,、次数,一次once两次 twice 三次 three times

2、 一周两次 twice a week 每周四次 four times a week 每周六 on Saturdays 每周日 on Sundays,8,9,1、主系表结构,（1）系动词：am is are （ 用于一般现在时） was were （用于一般过去时） I am a teacher.（一般现在时的主系表结构） She is a doctor. （一般现在时的主系表结构） They are workers. （一般现在时的主系表结构）,10,（2） 五感动词： look 看起来 taste 尝起来 smell 闻起来 sound 听起来 feel 感觉起来,11,陈述句：You lo

3、ok beautiful.（主系表结构） 变为否定句：You dont look beautiful. 一般疑问句：Do you look beautiful? 肯定回答：Yes ,I do. 否定回答：No,I dont.,12,（3）表变化的词：become (good / fat) get (cold / hot) Tom becomes fat in recent days.,13,（4）seem appear (好像、似乎、看上去） Tom seems （to be ） a very clever boy. 汤姆看上去是一个非常聪明的男孩。 It appears a true sto

4、ry. 它似乎是一个真实的故事。,14,2 、 主谓宾结构,I go to school every day. He goes to school every day. They go to school every day. 当主语符合下列两种情况时，谓语动词要发生变化。 1、当主语是she、he、it时； 2、当主语是可以用she、he、it代替的词时。,15,16,第三节 特殊疑问句,17,I clean the window at home on Saturdays. 1、对主语提问： Who cleans the window at home on Saturdays? 2、对宾语提问： What do you clean at home on Saturdays? 3、对谓宾提问： What do you do at home on Saturdays? 4、对地点状语提问： Where do you clean the window on Saturdays? 5、对时间状语提问： When do you clean the window at home?,18,总 结,1、对划线部分