1、副词 only 置于句首, 强调方式状语、 条件状语、 地点状语、 时间状语等状语时, 主句要进行部分倒装。如果被 only 所强调的状语为状语从句, 该状语从句不倒装, 只对主句进行倒装。例如: Only in a big city was it possible to buy a new wheelchair.只有在大城市里才能买到新轮椅。Only when we had studied the data again did we realize that there was a mistake.只有当我们再次研究了这些数据的时候, 我们才意识到出了一个错。Only because the
2、re were some cancelled bookings did he get some tickets in the end.一些预订被取消了, 他才得以买到了几张票。注意: 如果放于句首的 only 所修饰的不是状语时, 该句不用倒装。例如:Only John can save me.只有约翰能够救我。Only some of the children passed the examination.只有几个孩子通过了考试。考题 1 _ by keeping down costs will Power Data hold its advantage over other compani
3、es. (2006 浙江)A. Only B. Just C. Still D. Yet答案 A解析 放于句首的 only 修饰方式状语 by keeping down costs 时, 全句要进行部分倒装, 而 just, still, yet 都无此用法。考题 2 Only in this way _ to make improvements in the operating system. (2003 上海春)A. you can hope B. you did hopeC. can you hope D. did you hope答案 C解析 only 在题干中放于句首并修饰方式状语
4、in this way, 全句应进行部分倒装。又由于该句不是介绍过去的情况而是表述现实的一种状况, 所以不应采用一般过去时, 本题应选 C。考题 3 _ can you expect to get a rise. (2001 北京、 安徽春)A. With hard work B. Although work hard C. Only with hard work D. Now that he works hard 答案 C解析 题干中句子的结构显然为部分倒装语序, 四个选项中只有 C 选项修饰方式状语 with hard work 的 only 可以引导倒装句, 因此本题应选 C。考题 4
5、Only when your identity has been checked, _. (2003 上海)A. you are allowed in B. you will be allowed inC. will you allow in D. will you be allowed in答案 D解析 放于句首的 only 修饰 when 引导的时间状语从句时, 主句应进行部分倒装(从句中不进行倒装)。考题 5 Only then _ how much damage had been caused. (2006 陕西)A. she realized B. she had realizedC. had she realized D. did she realize答案 D解析 放于句首的 only 修饰时间状语 then 时, 主句应进行部分倒装, 而且主句中“ 她意识到”这一过去的动作对应的是 “已导致损失”这一发生得更早的动作, 所以下划线应与后面宾语从句中的过去完成时相呼应, 采用一般过去时的形式, 据此可以分别排除选项 A、 B 和 C 而选出 D。