什么是虚拟语气?怎么用?答:这类要求宾语从句的谓语用虚拟式的动词,常见的有: command(命令), demand(要求), desire(希望), insist(坚持), order(命令), propose(提议), recommend(推荐), request(要求), require(要求), suggest(建议),等。例如: He proposed that we ( should ) set a dead line for the complement of the plan...