1、會(huì)計(jì)學(xué)1易混時(shí)態(tài)區(qū)分一般過去時(shí)與過去進(jìn)行時(shí)易混時(shí)態(tài)區(qū)分一般過去時(shí)與過去進(jìn)行時(shí);一般過去時(shí)與現(xiàn)在完成時(shí)一般過去時(shí)與現(xiàn)在完成時(shí);現(xiàn)在完成時(shí)與現(xiàn)在完成時(shí)與現(xiàn)在完成進(jìn)行時(shí)現(xiàn)在完成進(jìn)行時(shí)過去過去某一時(shí)刻/某一時(shí)間段內(nèi) 正在進(jìn)行/持續(xù)進(jìn)行動(dòng)作已經(jīng)結(jié)束第1頁/共15頁wrotewas writingI met some old friend yesterday.I was meeting some old friends at this time yesterday.第2頁/共15頁BBB第3頁/共15頁I first met Lisa three years ago. She was working in

2、 a supermarket.第4頁/共15頁have/has + donerecently, already, lately, since then, up to now, from then on第5頁/共15頁第6頁/共15頁表示過去發(fā)生的某一動(dòng)作對(duì)現(xiàn)在造成的影響或結(jié)果，強(qiáng)調(diào)的是現(xiàn)在的情況。1. I _ in London for many years, but Ive never regretted my final decision to move back to China. A. lived B. was living C. have lived D. had lived2. D

3、anny _ hard for long to realize his dream and now he is popular. A. works B. is working C. has worked D. worked第7頁/共15頁第8頁/共15頁AC被動(dòng)態(tài)的完成時(shí)第9頁/共15頁The manager have told the workers how to improve the program.The manager have been telling the workers how to improve the program since 9 am. 第10頁/共15頁已經(jīng)完成持續(xù)性結(jié)果Ex. 1. Police are now searching for a woman who is reported to _since the flood hit the area last Friday.A. have been missing B. have got last C. be missing D. get lost 2. The telephone _ four times in the past hour, and each time it was for my roommate. A. has rung B. has been r