The non-native speakers, it turns out, speak more purposefully and
carefully, typical of someone speaking a second or third language.请问这里的typical of someone speaking a second or third
language是做主语The non-native speakers的补语对吗?可以单独做插入句使用吗?
If you should change your mind, do let me know.除了should do这里可以用其他表达虚拟语气吗?比如,changed your mind 或者your mind be changed或者your mind were changed其实就是问表达将来时候的虚拟语气,用什么?