3．If Rose ____ her diamond in a safer place，it ____ stolen．（　　）
A．had put； might not have been
B．had put； could be
C．had put； might be
D．had not put； could not have been

分析 如果Rose把她的鉆石放在安全的地方，也許它就不會(huì)被偷了．

解答 答案：A  句意表達(dá)與事實(shí)相反的假設(shè)，要用虛擬；對(duì)過(guò)去的虛擬，條件句中要用過(guò)去完成時(shí)態(tài)，主語(yǔ)中要用情態(tài)動(dòng)詞加完成時(shí)態(tài)．故選A．

點(diǎn)評(píng) 虛擬語(yǔ)氣是表示與事實(shí)相反的假設(shè)，構(gòu)成方式有：對(duì)現(xiàn)在或?qū)?lái)，條件句中用一般過(guò)去時(shí)態(tài)，主語(yǔ)用情態(tài)動(dòng)詞加動(dòng)詞原形；對(duì)過(guò)去，條件句中用過(guò)去完成時(shí)態(tài)，主語(yǔ)用情態(tài)動(dòng)詞加完成時(shí)態(tài)．學(xué)習(xí)時(shí)，要牢記構(gòu)成方式．

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