单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级Grammar and usage现在完成时(Present Perfect Tense)现在完成进行时(Present Perfect Continuous Tense)the Present Perfect Tense构成: havehas 动词过去分词基本概念表示动作发生在过去某个时间但对现在产生影响Mary has
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现在完成时讲解一基本结构:主语havehas过去分词(done) ①肯定句:主语havehas过去分词其他 ②否定句:主语havehasnot过去分词其他 ③一般疑问句:HaveHas主语过去分词其他 ④特殊疑问句:特殊疑问词一般疑问句(havehas主语过去分词其他)二用法1) 现在完成时的完成用法现在完成时用来表示现在之前已发生过或完成的动作或状态但其结果却和现在有联系也就是说
现在完成时专项练习1. 现在完成时的结构:______________________________2.现在完成时的定义 ①_____________________________②____________________________ 2. 写出have been to have gone to have been in 的用法(并说出它们的特征):___________________
例:My father has read todays newspaper. 我爸爸已经看了今天的报纸了.例:Mary has just finished the homework which her teacher ordered.玛丽刚刚完成老师布置的作业.1.概述:2 表示继续的现在完成时肯定句: Li Mings elder brother has studied in Peking
现在完成时The Present Perfect Tense一.Form:1.肯定句:S (主语)havehasPP(过去分词)2. 否定句:S (主语)havehasnot PP(过去分词)3.疑问句Havehas S (主语)PP(过去分词) Yes Shavehas.NoShavehasnt.助动词have和has可前面的主语缩略为ve s.如 theyve weve hes its
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past1.表示过去发生的动作并对现在有影响Someone has broken the window.(窗户现在是坏的)I have already lost the key. (我现在没有钥匙)I havent read that book yet.(不了解书的内容)I have just cleaned my hands. (手是干净的) 常用于现在完成时的时间副词介词:already (已
现在完成时1.表示过去发生的或已经完成的某一动作对现在造成的影响或结果表示一件事已经发生这事往往与现在有联系Ive lost my key.(因此无法进屋)Ive got a letter from my aunt.(因此知道她的近况)My wife has just bought a beautiful dress from one of the shops .常和justalreadyy
单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级Present perfect tense(现在完成时) present perfect continuous tense现在完成进行时)现在完成时现在完成进行时Put emphasis on durationPut emphasis on resultsIve made a cake. 我做了一个蛋糕(已做好)Ive bee
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