谢孟媛初级文法讲义最新全集(4)

原型动词字尾有＋ed helped spelled wanted needed 原型动词字尾有e ＋d loved dance------danced

原型动词为子音＋短母音＋ 子音--------重复字尾加ed 如 stopped planned (计划) 原型动词为子音有y 去y 加ied 如 study—studied cry—cried 不规则变化 如 eat --- ate

Read（瑞得） --- -read （瑞爱得）注意写法一样 读音不同 Ride—rode Come-came Have ---had See- --saw Go-----went Teach---taught Give ---gave Take---took

现在 I walk to school. Every day . 过去 I walked to school yesterday。 动词随着时间改变形态

Mother goes to a supaermarket every morning .妈妈每天早上去超市。 过去式 Mother went to a supermarket yesterday morning .妈妈昨天早上去超市了。 主语为第三人称单数过去式不需加s 。 过去式是不分人称的。。。 一般动词（过去式）的否定句-----需用助动词 Did /Do 肯定句 主语 加 一般动词过去式 否定句 主语 加did not ＋ 动词原型

例如1. He called you last night 他昨天打给你电话了

否定 He didin‘t call you last night 他昨天没有给你打电话。

例如2. My sister and I watched TV all day yesterday .我的姐姐和我昨天一天都在看电视。 否定 Mysister and I didn‘t watch TV all day yesterday 我和我的姐姐昨天并非一天都在看电视。

Not -----all 并非---- didn't ------all 并非 比较 否定句 （过去式） Be 动词------- she was at home

She wasn‘t at home . 一般动词-----she studied English

She didn‘t study English . 一般动词的疑问句

肯定 ＋ 主语＋ 一般动词过去式 疑问句 Did ＋主语 ＋ 原型

例如1. His friends went to that movie last week 他的朋友们上周去看电影了。 疑问句 Did his friends go to that movie last week？

例如2. Grace wrote a letter to David . Grace .给david 写了一封信。 疑问句 Did Grace write a letter to David ? Yes,she did No, she didn‘t 比较------疑问句(过去式) Be 动词---He was sick

疑问句 Was he sick ? yes he was . No , he wan‘t

一般动词 He did his homework did 是一般动词do 的过去式 疑问句 Did he do his homework.

注意 Do/does 现在 did 过去 有俩种身份 1. 它可以当一般动词—做的意思 2. 它也是助动词 ＋原型