因?yàn)檫@個(gè)空是原因狀語不是謂語.所以這個(gè)空一定要用非謂語動(dòng)詞的形式,所以not recieved只能是過去分詞,但此空不表示被動(dòng)而表示主動(dòng),即主語he 是動(dòng)詞receive的發(fā)出者所以用現(xiàn)在分詞,且用完成式表示這一動(dòng)作發(fā)生在write之前.你的理解是謂語,那樣就把句子變?yōu)锽ecause he had not received a reply,,moved by her words, the old man agreed to her request.這句是對的，我覺得這和題一樣的，究竟怎么回事呀？求助(he was)moved by her words, the old man agreed to her request.(he has)not recieved a reply ,he decided to(he was)moved by her words, the old man agreed to her request.(he has)not recieved a reply ,he decided to這兩句前都得加上because句子才成立，因?yàn)橛⒄Z中不能把兩個(gè)簡單分詞只用逗號(hào)隔開。要有主從關(guān)系?；?qū)懺诜侵^語形式如這兩道題。