语法聚焦：现在完成时 (Present Perfect Tense)1) 现在完成时的定义：（1）表示过去发生或已经完成的动作对现在造成的影响或结果。—It’s so dark. 太黑了。—Someone has turned off the light. 有人把灯关上了。（2）表示从过去某一时间开始并一直持续到现在的动作或状态。与since+过去的时间点，for+一时间，so far等时间状语连用。I have lived here for ten years.我已经住在这里10年了。（从10年前开始，持续到现在还住这儿）I have lived here since 2003. 自从2003年我就住在这儿。（从2003年开始，持续到现在还住这儿）2) 现在完成时的构成及句式转换：助动词 have/has + 过去分词①I have finished my homework. (肯定句)②I have not finished my homework. （否定句）③—Have you finished your homework?—Yes, I have. / No, I haven’t, （一般疑问句及肯定、否定回答）现在完成时的标：①与just, already, yet, ever, never, before, so far 等连用，强调动作的完成，不强调动作的持续。Have you ever been to Japan?I have just finished my homework.②for + 时间；since + 过去的时间点；since + 时间 ago；since + 一般过去时的句子。They have known each other for five years.Since he was a child, he has lived in England.do __________ — ____________ go__________ — ___________read ______ — ______ see _________ —______know____________ — _____________ eat _______ — _________ forget _________ — _________write________-______一、根据句意或汉语提示写词。1. We often see people take out ______ and shoot others in action movies.2 |
