位于句首引起主谓部分倒装。
107. Lest/ in case/unless /suppose /as if/for fear that/on condition等词引导的目的状语从句中，谓语动词多用虚拟语气，(should)+动词原形
108. Not so much…as 与其说…不如说
109. It’s time that sb. did sth. 是时候做某事（虚拟）
110. May just as well不如，等于是，还是……好
111. see to it that请注意要;记得...;别忘记... 112. see to doing sth
113. order/ ask/ demand/ command/ request/ require that+虚拟语气
114. would rather do/ would rather do... than do../
would rather sb. did sth.
