He is in.中in作什么成分

He is in.中in作什么成分 he is in good health.是主系表还是主谓宾结构?介词in在句中充当什么成分?还是只 He is bound in duty to obey.中bound作什么解释 语法：介词in短语作什么成分 He is very happy living in shanghai.living in shanghai 做什么成分 he is the best student in our class.in our class做什么成分 A friend in need is a friend in deed.其中两个in deed分别作什么成分 There is a fire burning in the fireplace.burning 作什么成分 As a teacher ,he is responsible句中,as a teacher作什么成分? IT is possible that he will win,that 在从句中作什么成分? They are in the living room,on the sofa.中on the sofa 作什么成分? 求语法好的：in addition to 这个结构在句子中作什么成分?