怎样判断after在句中是连词还是介词?

怎样判断after在句中是连词还是介词? 怎么区别after 是介词还是连词 怎么看after在句子当中是充当连词还是介词? 怎样判断to在句中是作动词不定式还是作介词 怎么判断英语词组中的to是介词还是连词? 怎么判断to是介词还是连词求解答 I usually do my homework after having supper中after是介词还是连词 After __ seemed an endless wait,it was her turn to enter the personnel manager’s office.After _what__ seemed an endless wait,it was her turn to enter the personnel manager’s office.afer 在句中,做介词还是连词,怎么判断,我特别不明 新概念英语第二册57课中的问题有一句子 After seeking out the rude assistant 在这句中,after 是介词还是连词?有人说是介词,seeking out...为介词短语.也有人说after 是连词,seeking out...为现在分词短语,究 怎么在句子中区分like是连词还是介词? 而在古汉语中是连词还是介词 怎样区分介词和连词 怎样区分介词和连词 怎样区分介词和连词 “由于”是连词还是介词? 这里after,还是介词么?I will tell you after they leave.他们走后我再告诉你.I will have dinner after I finish my homework.这里after是介词,还是连词. This book is more interesting than that one.判断than是介词还是连词的方法 怎么判断to是介词还是连词如果是语法填空，又没有固定短语呢