1、How long have you been collecting shells?,Unit 6,现在完成进行时,定义：表示某动作从过去开始，一直延续到现在经历了多长时间,常有可能持续下去,常和表示一段时间的状语连用。 此时态包含现在进行时的含义，也包含现在完成时的含义。,时间状语: 1. for + 一段时间2. since + 过去的时间点3. since + 一般过去时的句子,构成： have/has been + Ving +,翻译句子:,1.他们已工作两小时了。2.从6点起他们一直在跑。3.自从4岁起我就一直学英语。,They have been working for two ho
2、urs.,They have been running since six oclock.,Ive been studying English since I was 4 years old.,4. 雨下了多久了？5. 我学英语学了4年了。6. 他住在长沙有14年了。,How long has it been raining?,I have been learning English for 4 years.,He has been living in Changsha for 14 years.,1. My father has been working in the factory sin
3、ce 1990. (对划线部分提问),How long has your father been working in the factory?,按要求改写句子,三、完成句子 1.你上网多久了?2.我上网三小时了。3.你什么时候开始集邮的？,How long have you been surfing the Internet?,Ive been surfing the Internet for three hours.,When did you start collecting stamps?,4.我五年前开始集邮的。5.他收集贝壳十年了。,I started collecting stamps five years ago.,He has been collecting shells for ten years.,
