Question

7．你知道他來蘇州有多久了嗎？Do you know how long he has been in Suzhou？．

Answer 1

分析 Do you know how long he has been in Suzhou？

解答 答案：Do you know how long he has been in Suzhou？這里是一個(gè)主從復(fù)合句，主句是你知道嗎？用一般現(xiàn)在時(shí)，do you know．從句時(shí)態(tài)不受限制，余下的作為know的賓語(yǔ)從句，從句是一個(gè)特殊疑問句，引導(dǎo)詞用疑問詞how long來充當(dāng)，后加陳述語(yǔ)序，這里來蘇州的動(dòng)作發(fā)生在過去，延續(xù)了一段時(shí)間，故用現(xiàn)在完成時(shí)have/has+過去分詞，主語(yǔ)是he，故has，來come to是短暫性動(dòng)詞，需換成be in表狀態(tài)，be的過去分詞been，故how long he has been in Suzhou，故答案是Do you know how long he has been in Suzhou？

點(diǎn)評(píng) 這里是賓語(yǔ)從句的呈現(xiàn)，注意引導(dǎo)詞，時(shí)態(tài)和語(yǔ)序，這里還要注意現(xiàn)在完成時(shí)中短暫性動(dòng)詞藥轉(zhuǎn)換成持續(xù)性動(dòng)詞．