1. How long has he been saving money for college? 2. How long have you been volunteering at the hospital? 3. How long has she been filming her documentary? 4. How long have you been playing the piano? 5. How long have they been friends? 该题要求将现在完成进行时的陈述句改写成疑问句...
【Grammar Ellii】语法知识点 频率副词「Adverbs of Frequency」|频率副词的用法 06:09 【Grammar Ellii】语法知识点 动词时态「Present perfect progressive 现在完成进行时」 05:10 【Grammar Ellii】语法知识点 wh疑问句「Wh- Questions」|wh 疑问句的形式 ...
Read what the people have been doing and what they have done. Finish each story. Use the present perfect progressive or the present perfect tense. Sometimes either one is correct. Then fill in the name of each prefession. (1). I (work) ___ in the same job since I was eighteen years...
etc. which any teacher might use while conducting a lesson should be given in English(一些教学关键指令应使用英语). In the early stages, the meaning of these expressions may be conveyed through gesture and mime(早期可通过手势代替). Such patterns must be regarded as extraneous to the course, u...
试题来源: 解析 The present perfect progressive can be used to refer to an immediate past event whose result is still operative at the moment of speech, in case it refers to a finished event that belongs to very recent past.反馈 收藏 ...
The use I propose as modal has been analyzed by the literature under the time and aspect perspective which considers its use as anomalous or a use influenced by the English futurate present progressive (I am travelling tomorrow). The theoretic frame of this study includes the work done by ...
Use of tenses(oxford字典自带的时态的用法)
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The use of the Present Perfect To talk about something or an event occurred in the past and goes on till now, maybe to the future. 谈论过去发生的事情 一直持续到现在。 past(1991)present(2005)from 1995 till now I have lived in Guangzhou for 14 years. ...
Present perfect: I have worked Present perfect progressive: I have been working Past simple: I worked Past progressive: I was working Past perfect: I had worked Past perfect progressive: I had been working Future simple: I will work Future progressive: I will be working Future perfect: I wil...