desire suggest advice propose insist It is nature that sb should. 还有一些吧应该 只要是表示建议和教导的动词,后面都是可以跟虚拟语气的 就可以跟should do 这里的should是可以省略的. 但是要小心suggest有暗示的意思,如果是暗示的意思的话 should就不能省略了 He suggested we should study hard这里就是可以省略should的,这里suggest是建议的意思 His face suggested he should be more careful just now这里就不能省略should了,因为suggest是暗示的意思在这里.