20xx人教版英語(yǔ)八年級(jí)下冊(cè)u(píng)nit 10《i’ve had this bike for three years》（section a 3）課件-預(yù)覽頁(yè)
【正文】 you owned it? Things How long Tony favorite book for two years basketball since he was 10 years old Student 1 Student 2 1. Review Grammar. 2. Finish the exercises in the workbook. 。 bought B. did, buy。 如： They have lived here for five years. =They have lived here since five years ago. 3. 在現(xiàn)在完成時(shí)中，表示短暫意義的動(dòng)詞 (如 e和 see)在肯定句和一般疑問(wèn)句中不能和表示一段時(shí)間的時(shí)間狀語(yǔ)連用，但在否定句中是可以的。作介詞時(shí) , 后接表示過(guò)去的時(shí)間點(diǎn) , 表示某事開(kāi)始的時(shí)間；作連詞時(shí) , 引導(dǎo)時(shí)間狀語(yǔ)從句 , 從句常用一般過(guò)去時(shí)。 1. since意為“自從 …… 以來(lái)” , 它既可作介詞，也可作連詞。 如： Jane has learned to play the piano since two years ago. (對(duì)劃線部分提問(wèn) ) How long has Jane learned to play the piano? 2. 在現(xiàn)在完成時(shí)中，含有 for和 since的句子可以相互轉(zhuǎn)換。 常見(jiàn)的有： leave → be away begin / start → be on die → be dead finish → be over join → be in / be a member of fall asleep → be asleep marry → be married e / arrive here → be here 1. — When ________ you ________ the new bike? — I ________ it for 2 days. A. did, have
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