高一英語北師大版必修3-unit-9-lesson-1-on-your-bike-課件-資料下載頁
2025-08-16 00:23本頁面
【正文】 Susan has been reading that storybook since last night. 從昨晚開始蘇珊就一直在看那本故事書。 Susan is reading a storybook now. 蘇珊正在看一本故事書。 時態(tài)對比 ?現(xiàn)在完成進行時 和 現(xiàn)在完成時 比較： ⑴有些動詞 (如： work, study, live, teach等 )用現(xiàn)在完成進行時與現(xiàn)在完成時表達的意思差不多。試比較： The teacher has been teaching at this school for ten years. 十年來，那位老師一直在這所學(xué)校教書。 The teacher has taught at this school for ten years. 那位老師在這所學(xué)校已經(jīng)教了十年書了。 時態(tài)對比 ?⑵ 現(xiàn)在完成時如果不帶表示一段時間的狀語，就只能表示動作的完成，而現(xiàn)在完成進行時則表示動作的延續(xù)。 試比較： They have built a new lab. 他們建造了一幢新的實驗室。 (表示動作的完成 ) They have been building a new lab (these years). 他們 (這幾年 )一直在建造一幢新的實驗室。 (無論用時間狀語還是不用時間狀語，都表示動作的延續(xù) ) 1. How long have you been here? A. stood B. to stand C. standing D. stands 2. The student has been the novel since he finished school. A. wrote B. writing C. written D. writes 3. — Hi, David! Are you tired? — Yes, I am tired. I the classrooms for 4 hours. A. am cleaning B. was cleaning C. have been cleaning D. had cleaned 4. Where have you been? We you everywhere. A. have been looking for B. has looked for C. had looked for D. has been looking for 5. — It for nearly a week. Will it last long? — No, it39。s reported that we39。ll have a fine weekend. A. have rained B. has been raining C. rains D. rained Homework Do you think “ white bikes” will be good for Hebi? Why? (. convenience? benefits?) …
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