第4讲 现在完成时讲练（50题） -【暑假自学课】2023年新八年级英语暑假精品课（牛津上海版）

第4讲 现在完成时 1.掌握现在完成时的基本概念及相关的时间状语； 2.正确区分现在完成时和一般过去时； 3.能在具体的语境中正确地运用现在完成时。 重点词汇语法讲评 【知识梳理1】 1. 现在完成时的用法一：表示过去发生或已经完成的某一动作对现在造成的影响或结果。此时，常与时间副词already（已经），yet（还、已经），just (刚刚、仅仅)，before（以前）等连用。 My daughter has just gone out. 我女儿刚出去。 I’m sure we’ve met before. 我肯定我们以前见过面。 She has arrived. 她到了。 2. 现在完成时的用法二：表示开始于过去动作或状态持续到现在甚至将来。常和since+时间点、for+一段时间、recently、lately、so far，in the past few years等连用。由于动作或状态始于过去持续到现在甚至将来，因此要和持续性动词连用。 We haven’t seen you recently. They have been away for two years. Great changes have taken place in my hometown in the past few years. 3. 现在完成时的用法三 ：表示过去的一个时间到现在这段时间内重复发生的动作，常和never、ever、once、twice、three times.....等连用，表示经验。 I have never been to Beijing before. Jane has rung me three times today. 基本结构 句型 基本结构 例句 肯定句 have/has+ done I have studied English for 5 years. 否定句 have/has not+ done I haven’t studied English for 5 years . 一般疑问句 Have/Has…done Have you studied English for 5 years? 特殊疑问句 Wh-/How…have/has done Where have you studied English for 5 years? 【例题精讲】 例1. A: How long __________ in Beijing? B: A whole week since last Thursday. A) was he B) will he stay C) has he stayed D) did he stay 例2. Look! The rain________. Let's start out at once. A) stops B) is stopping C) stopped D) has stopped 例3. Since he _____the project, he _____on it for a few days. A. got, has worked B. got ,worked C. gets, has worked D. gets ,is working 例4. He wants to know if Jenny _____________ tomorrow if she _____________ better. A. will come.., feels B. will come.., will feel C. comes.., will feel D. comes.., feels 例5. Computers our life greatly since they came into use many years ago. A. change B. have changed C. will change D. would change 【知识梳理2】 现在完成时标志词 标志词 例句 备注 for, since Mary has been ill for three days. I have lived here since 1998. for+一段时间 since+时间点 already, just He has already obtained a scholarship. They have just com