新概念2第二课语法讲解.ppt

1、一般现在时,概念：经常、反复发生的动作或行为及现在的某种状况。 时间状语： always, usually, often, sometimes, seldom, every week (day, year, month), once a week, on Sundays(=every Sunday) 基本结构：be动词； I am a student. 行为动词 I sometimes stay in bed until lunchtime. It seldom snows here. I never get up early on Sundays. He is always ready to

2、 help others. 否定形式：am/is/are+not;此时态的谓语动词若为行为动词，则在其前加dont,如主语为第三人称单数，则用doesnt，同时还原行为动词。 一般疑问句：把be动词放于句首；用助动词do提问，如主语为第三人称单数，则用does，同时，还原行为动词。,I never get up early on Sundays. I sometimes stay in bed until lunchtime. Do you always get up so late?,一般过去时,概念：过去某个时间里发生的动作或状态；过去习惯性、经常性的动作、行为。 时间状语：ago, ye

3、sterday, the day before yesterday, last week(year, night, month), in 1989, just now, at the age of 5, one day, long long ago, once upon a time, etc. 基本结构：be动词；行为动词 否定形式：was/were+not;在行为动词前加didnt，同时还原行为动词。 一般疑问句：was或were放于句首；用助动词do的过去式did 提问，同时还原行为动词。,It was Sunday. Last Sunday I got up very late. I

4、looked out of the windows It was dark outside. Just then,the telephone rang. .,现在进行时,1.概念：表示现阶段或说话时正在进行的动作及行为。 2.时间状语：now, at this time, days, etc. look . listen 3.基本结构：be+doing 4.否定形式：be+not+doing. 5.一般疑问句：把be动词放于句首。 6.例句： How are you feeling today? He is doing well in his lessons. (1) 现在进行时表示说话时或现

5、阶段正在进行的动作 表示现阶段正在进行的动作，通常用表示现阶段的时间状语，如：today, this week, this month, this year, this term,now等。如： He is writing a novel now. 他目前正在写一部小说。,Its raining again. I am coming to see you. But Im still having breakfast. What are you doing? Im having breakfast.,现在进行时,(2) 有些动词通常不能用进行时。不能用进行时的动词有： 表示感觉或感情的词，如：h

6、ear, see, smell, taste, feel, seem, notice, hate, love, like, want, wish, refuse, prefer, forgive等。 表示存在或所属的词，如：exist, stay, remain, obtain, have, own, form, contain等。 表示认识或理解的词，如：understand, know, remember, forget, believe, think, doubt等。,感叹句,感叹句通常由what, how引导，表示赞美、惊叹、喜 悦、等感情。 what修饰名词，how 修饰形容词，副词或动词，感叹句结构主要有以下几种： How +形容词+ a +名词+陈述语序 How+形容词或副词+陈述语序 What +名词+陈述语序 What+a+形容词+名词+陈述语序 What+ 形容词+复数名词+陈述语序 What+ 形容词+不可数名词+陈述语序,What a day! TEXT:转化为“what.”形式的感叹句 Hes a rude person