D.don't achieve
(2)Something must have happened on their way here.Or they by _____ now.(2002.6)
A.should have arrived
B.should arrive
C.would have arrived
D.would arrive
(3)But for the rain，we _____ a nice holiday.(2003.4)
A.should have
B.would have had
C.would have
D.would had
(4)But for my classmates' help，I _____ the work in time.(2004.4)
A.did not finish
B.could not finish
C.will not finish
D.would not have finished
(5)I would have joined him in a picnic，but I _____ his company.(2004.11)
A.will not like
B.don't like
C.had not liked
D.might not like
(6)Without heat and sunlight，plants on the earth _____ well.(2004.11)
A.would not grow
B.will not grow
C.had not grow
D.would not be grown
「答案」BDBDD A
「评析」
含蓄虚拟条件句指没有明确的条件从句的虚拟条件句，一般是条件用介词短语、分词短语或并列句的方式表达，这时主句的时态要求与含有条件从句的主句要求相同。
三级测试中常考的含蓄虚拟条件句句型有：
① But for/Without， 主句…… ，如(1)、(3)、(4)和(6)。
(1)Without your help， we _____ so much.(1996.6)
A.didn't achieve
B.would not have achieved
C.will not achieve
D.don't achieve
答案：B
(3)But for the rain，we _____ a nice holiday.(2003.4)
A.should have
B.would have had
C.would have
D.would had
答案：B
(4)But for my classmates' help，I _____ the work in time.(2004.4)
A.did not finish
B.could not finish
C.will not finish
D.would not have finished
答案：D
(6)Without heat and sunlight，plants on the earth _____ well.(2004.11)
A.would not grow
B.will not grow
C.had not grow
D.would not be grown
答案：A
② ……， otherwise/or …… ，如(2)
(2)Something must have happened on their way here.Or they _____ by now.(2002.6)
A.should have arrived
B.should arrive
C.would have arrived
D.would arrive
答案：D
再如：
He hadn't had food for two days，or/otherwise he wouldn’t have fainted out at work.
③ ……，thought/but …… ，如5)
(5)I would have joined him in a picnic，but I _____ his company.(2004.11)
A.will not like
B.don't like
C.had not liked
D.might not like
答案：D
再如：
Einstein cared little for money，though he could have been very rich.
He could have got the job，but he didn't apply for it.
④分词/不定式，主句……
Having been born ten years earlier，you could have witnessed the disaster.
Given more time，we could have done the work much better.
