“should+v.”类虚拟语气即虚拟语气的构成为 should+v. ，其中 should 可以省略，主要考点为：
1. 表示命令、建议、请求、要求的动词后的宾语从句中使用此类虚拟语气。此类动词有 advise, ask, beg, command, demand, deserve, desire, direct, forbid, insist, move, order, prefer, propose, recommend, request, resolve, suggest, maintain, vote等。比如：
- I suggested that we (should) climb the mountain this weekend.
2. 表示命令、建议、请求、提议、意愿、惊奇或者其他感情的形容词或者分词后的主语从句中也使用此类虚拟语气。此类形容词或者分词大多为上述动词的衍生词。例如：
- It has been advised that the meeting (should) be postponed till next Monday.
3. 表示命令、建议、请求、提议、意愿、惊奇或者其他感情的名词后的同位语从句或者表语从句中也需使用此类虚拟语气。此类名词大多为上述动词的衍生词。例如：
- Their resolution was that the plan (should) be carried out at once.
4. 由 lest, in case, in order that, so that, for fear that, whether, whatever 等引导的状语从句中也需使用此类虚拟语气。例如：
- Bring an umbrella with you in case that you (should) be caught in the rain.
