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the past 意為 “ 過去 ” ,常與過去時連用。 the past/last+時間段,表示 “ 過去的多長時間 ” ,若在句中充當主語,常與完成時態(tài)連用。 [語境助記 ]: (1)A great many trees have been planted in the last few weeks. 過去幾個星期以來已種植了大量的樹。 (2)In the past, many people lived a very hard life. 在過去,許多人都過著非常艱難的生活。 3. I’m going to try to go to either Montre al or Ottawa University, as both are supposed to have good Physics Departments. 我想去蒙特利爾或渥太華大學,因為這兩個大學都有不錯的物理系。 [歸納 拓展 ]: be supposed to do ,應 當做某事,理應做某事 be supposed to have done (但事實上沒做 ) be supposed to be doing suppose 還可作連詞,相當于 supposing,意為 “ 如果,假設 ” 。 [語境助記 ]: (1)You are not supposed to take the books out of the room. 這些書不能拿出屋去。 (2)You are supposed to have finished the work by now. 這工作你現(xiàn)在應該已經完成了。 (3)You’re supposed to be doing your homework, but you’re out playing. 你本應該在做作業(yè),可你卻在外面玩。 4. My parents are 。 [歸納拓展 ]: astonished ; 驚愕的 be astonished by/at...對 ?? 感到驚訝 be astonished to do sth 對做某事感到驚訝 astonish astonishing astonishment n. 驚訝 to one’s astonishment 使某人驚訝的是 注意 : astonished 表示 “ 吃驚的 ” , 常以人作主語 ; astonishing 表示 “ 令人驚訝的 ” , 常以事物作主語。 [語境助記 ]: (1)There were an astonishing number of applicants for the job. 申請這份工作的人數(shù)多得驚人。 (2)I was astonished by/at the great progress that he had made. 我對他取得的重大進步感到很驚訝。 當堂檢測: 1.這條河以前是清澈的。 The river __________ be clean. 2.我必須說,我為我兒子的成功而自豪。 I must say that I____________ my