1.ifhehadtakenmyadvice,he___(be)ascientistnow.
答案：wouldbe
分析：此句为错综虚拟语气,从句为过去,主句表现在.
2.somepeopleinsistedthatthetalks___(hold)atGeveva.
答案：(should)beheld
分析：insist后接that从句时,有时用虚拟语气,有时用陈述语气,其区别是：(1)表示“坚持要”、“一定要”,从句所指的一般是尚未实现的事实,此时谓语通常用虚拟语气(即should＋动词原形).如：SheinsistedthatI(should)stayforsupper.她一定要我留下吃晚饭.(2)表示“坚持说”、“坚持认为”,从句所指的通常是已经发生的事或已存在的状态,谓语一般用陈述语气.如：Hestillinsistedhewasn’tthereatthetime.他仍然坚持说他当时不在那儿.
3.___(be)amanevensosuccessful,heshouldnotbeproud.
答案：Being
分析：此题属含蓄虚拟语气,其中Beingamanevensosuccessful相当于Ifhewas[were]amanevensosuccessful,其意为“即使他是一个更成功的人”.
4.hadheansweredthedetectivehonestly,he___(notarrest).
答案：wouldnothavebeenarrested
分析：hadheansweredthedetectivehonestly为省略倒倒句,即省略了if并将had提至句首.该句的正常表达为：Ifhehadansweredthedetectivehonestly
5.herecommendthatshe___(begin)aregulardegreeprogram.
答案：(should)begin
分析：recommend后的从句通常用should+动词原形.
6.she___(fall)butthaticaughther.
答案：wouldhavefallen
分析：此句可补充为：ShewouldhavefallenifIhadn'tcaughther.ButfortunatelyIcaughther,soshedidn'tfall.要是我没有抓住她,她就掉下去了.但幸运的是,我抓住了她,所以她没掉下去.
7.iproposethathe___(take)halfanhour'srest.
答案：(should)take
分析：propose后的宾语从句要用“should+动词”原形这样的虚拟语气.
8.hetalksaboutRomeasthoughhe___(be)therehimself.
答案：hadbeen
分析：asthough后引出一个非真实的情况,用虚拟语气,虽然主语为一般现在时,但从句意上看,“他好像曾去过那儿”指的是过去的情况,故用hadbeen.
9.___(be)hefriendorenemy,thelawregardshimasacriminal.
答案：Be
分析：补充完成为：Whetherhewasfriendorenemy,thelawregardshimasacriminal.无论他是朋友还是敌人,法律都会定他有罪（认为他是罪犯）.
10.hegaveordersthattheguests____(honspitablyentertain)
答案：shouldbehonspitablyentertained
分析：order用作动词时,其后的宾语从句要用虚拟语气；用作名词时,其后的同位语从句也要用虚拟语气.形式为：should+动词原形.
11.itishightimethathe___(teach)alesson.
答案：wastaught
分析：itis(high)time后的that从句要用虚拟语气,其形式用过去式.
12.ifonlyyou___(let)meknowearlier.
答案：hadlet
分析：ifonly与Iwish的用法相同.其意为“要是……就好了”.谈的是过去的情况,故用过去完成时.
13.i'djustassoonyou___(not,tell)himthetruth.
答案：didn'ttell
分析：Iwouldassoon...,Iwouldsooner...,Iwouldrather...等的用法相同,其后用过去式表示现在或将来,用过去完成时表示过去.又如：I’drather(assoon)youdidn’taskmetospeak.我宁愿你不让我发言.
14.shehadexpectedyou___(visit)heryesterday.
答案：wouldvisit
分析：hadexpected表示“本希望”,其后只用简单时态即可,句意为：她本来是希望你昨天来看她的.
