虚拟语气里有would 和could,什么时候用would ,什么时候用couldhow to motivate criminals to learn would be a problem prison officers have to save.这里的would 可以替换could吗how to motivate criminals to learn是一个主语从句

虚拟语气里有would 和could,什么时候用would ,什么时候用couldhow to motivate criminals to learn would be a problem prison officers have to save.这里的would 可以替换could吗how to motivate criminals to learn是一个主语从句
虚拟语气里有would 和could,什么时候用would ,什么时候用could
how to motivate criminals to learn would be a problem prison officers have to save.
这里的would 可以替换could吗
how to motivate criminals to learn是一个主语从句吧,to learn作主语从句的什么成分.
prison officers have to save是个定语从句,为什么把that 和which省略了

虚拟语气里有would 和could,什么时候用would ,什么时候用couldhow to motivate criminals to learn would be a problem prison officers have to save.这里的would 可以替换could吗how to motivate criminals to learn是一个主语从句
不能,would be表示会成为 could be能成为
to learn是宾补
定语从句中缺宾语,所以引导词可以省略