after school he didnt go home .--------he went to the intern

Ainstead of是介词短语＂代替了…＂,后面不能接句子,instead是连词,表示＂取而代之的是…＂。这句话是说,放学后他并没有回家,取而代之的是,他去了咖啡馆。如果要用instead of sth,就要说,放学后他去了咖啡馆,代替了回家,翻译成 he went to the Internet cafe,instead of going home。