L29 Taxi现完与一过的区别.ppt

fly—flew---flown 1)vi.鸟,飞机等飞 2)vt.驾驶飞机 Eg.It seems very difficult to fly a jumbo. 3)Times flies. 光阴似箭 soar 急速升空,高飞 float 漂浮 hover 盘旋 glide 滑行 skim 掠过 5.Once he landed on the roof of a block of flats and on another occasion, he landed in... Once...and on another occasion一次…… 还有一次…… Eg.He is a naughty boy, once he broke his neighbour’s window glass and on another occasion, he played with fire. 他是一个淘气的男孩，一次他打破了邻居的玻璃窗，还有一次他玩火了。 Occasion n.机会,场合 on several occasion在几次不同的场合 on rare occasions偶尔 in honor of the occasion为表祝贺 6.Captain Fawcett has just refused a strange request from a businessman. = Captain Fawcett has just refused a businessman’s strange request. refuse拒绝请求或给予某种东西 refuse to do sth.拒绝做某事 refuse a request from sb. = refuse sb’s request deny 否认(一种指控),不承认 7.The man wanted to fly to Rockall, a lonely island in the Atlantic Ocean, but... a lonely island in the Atlantic Ocean是Rockall的同位语 the Atlantic Ocean 大西洋 the Pacific Ocean 太平洋 the Indian Ocean 印度洋 the Arctic Ocean 北冰洋 bring/take/fetch bring 带来,由某处带来某物 take 带走,从某地或某人处带走 fetch 取来,去某地,取某物并带回 Key Structure 1.现在完成时的时间状语多表示到现在为止的这段时间：since+某一时间，for+一段时间，up till now,just,before等。一般过去时表示过去某时发生的动作，时间状语多为last year(month), ago(3 years ago), in +某一年，just mow等。 I saw him in 1994. I haven’t seen him since 1994. I saw him 3 years ago. I haven’t seen him for 3 years. He stayed at this hotel last month. Have you ever stayed at this hotel? I went abroad last year. Up till now, I have never been abroad before. 2.用already, yet, just, ever, never, 这类副词作状语时，常用于现在完成时。 I have already received a letter from my brother, Tim. The doctors have not yet decided how the woman died. They’ve just arrived. Have you ever been to London? I have never been there. Special difficulties refuse/deny refuse拒绝（一个请求或给予的某种东西） Captain Fawcett has just refused a strange request from a businessman. deny否认（一种指控） He denied that he had stolen the money. 他否认曾偷过钱。 bring/take/fetch bring带来（由某处带来某物） He