人教版PEP六年级英语下册Unit3单元知识梳理1
六年级下册单元知识点 第三单元 四会单 词 watch一watched 看 wash一washed 洗 clean一cleaned 打扫 play一played 玩 visit一visited 看望 do一did last weekend 上一 个周末gowent去 go to a park一went to a park 去公园 go swimming一went swimming 去游泳 go fishing一went fishing 去钓鱼 readread 读 go hiking一went hiking去郊游 四会句型What did you do last weekend你上个周末干什么了 I played football,我踢足球了。 Did you read books你读书了吗 Yes, I did.M的,我读了。 No,Ididnt不,我没有。 应该掌握的知识点 1、关于一般过去时 一般过去时态表示过去某一时间所发生的动作或存在的状态。谓 语动词要用一般过去式。经常与yesterday (昨天),last week (上周), last month (上个月),last year (去年),two months ago (两个月前), the day before yesterday (前天),in 1990 (在 1990 年),in those days (在 那些日子里)等表示过去的时间状语连用。 如I was born in 1990.(我出生在 1990 年)。 When did you go to the park(你是什么时候去的公园)。 I went to the park last week.(我是上周去的公园) 在上面的句子中第一句属于be动词的一般过去时态;第二句和第 三句属于实义动词的一般过去时态。 (1)Be动词的一般过去时态 在没有实义动词的句子中使用be动词,am is的过去式为was; are 的过去式为were. 构成肯定句主语was (were) 宾语 如I was late yesterday.(昨天我迟到了。) 否定句主语was (were) not宾语 如We werent late yesterday.(我们昨天没迟到) 疑问句Was (Were) 主语宾语 如 Were you ill yesterday(你昨天病 了吗) 肯定回答Yes, I was.(是的,我病了。) 否定句No, I wasnt.(不,我没病。) 特殊疑问句特殊疑问词was (were) 主语宾语 如When were you born你是什么时候出生的 (2)实义动词的一般过去时态 肯定句要使用动词的过去式,否定句和疑问句要使用助动词do和 does的过去式did. 肯定句为主语动词过去式宾语 如I went home at nine o clock yesterday.(我昨天九点钟回的家。) 否定句主语didnt 动词原形宾语 如I didnt go home yesterday.(我昨天没回家。) 疑问句Did主语动词原形宾语 如Did you go home yesterday(你昨天回家了吗) 肯定回答Yes, I did.(是的,我回了。) 否定回答No,【didnt.(不,我没回家。) (3)助动词和情态动词过去式如下 shallshould (将要)用于第一人称单数 willwould (将要)用于所有人称 can could (能,会)may might (可以)must must (必须) have to had to (不得不) 助动词和情态动词的过去时态要使用他们的过去式,后面的动词还 使用原形。 如I had to do my homework yesterday.(昨天我不得不做作业。) (4)一般过去时态由动词的过去式表示。大多数动词的过去式是 在动词原形后加上ed构成。这类动词称为规则动词。 1)一般情况下在词尾直接加edo如play played work worked 2)以e结尾的动词只加d.如like liked loveloved 3)以辅音字母Y结尾的动词,变Y为I,再加ed. study- studied carry carried 4)以重读闭音节结尾的动词,如果末尾只有一个辅音字母,要双 写最后这个辅音字母,再加ed.如stop stopped 5 --ed的读音规则如下 1 在清辅音后面读[t]. 2 在浊辅音或元音后读[d]. 3 在田和[d]后读[id]. 6 不以ed结尾的过去式,称为不规则动词。 一般过去时态的“三变”技巧 一变肯定句变为否定句 【技巧1】当句中含有情态动词或助动词could, would, should等 时,可直接在其后面加not构成否定句。例如 I could get you a concert ticket. I could not / couldnt get you a concert ticket. 【技巧2】当句中含有系动词was, were时,可直接在其后加not 构成否定句。例如 I was on the Internet when you called me. I was not / wasnt on the Internet when you called me. 【技巧3]当句中谓语是除情态动词、助动词、系动词was, were 以外的动词时,在该动词之前加did not / didnt,动词还原,构成否定 句。例如 The famous singer sang some Chinese songs. The famous singer did not / didnt sing any Chinese songs. 二变陈述句变为一般疑问句 【技巧1】移动词语的位置。将was, were, could, would, should 等移到句首。例如 He could pack his things himself. Could he pack his things himself 【技巧2]添加助动词dido谓语是除情态动词、助动词、系动词 was, were以外的动词时,在主语之前加did,动词还原。例如 Mr Li looked very old. Did Mr Li look very old 三变陈述句变为特殊疑问句 【技巧1】确定疑问词人who / whom,物what,地点where,时 间 when / what time,原因 why,频率 how often,长度 how long,距 离how far等等。例如 They gave the concer