between the expressions about which students are easily to get confused were made. 十三、定于从句(Attributive Clause) In this lecture,attributive clauses were discussed in the following aspects those relative conjunctions introducing attributive clauses,the uses of attributive clauses,contrast of some relative conjunctions,and the uses of relative adverbs and relative adjective,etc. 十四、名词性从句(Nominal Clauses) Nominal clauses has been discussed in this lecture.More specifically,function and types 11 • between the expressions about which students are easily to get confused were made. 十三、定于从句（Attributive Clause) • In this lecture, attributive clauses were discussed in the following aspects : those relative conjunctions introducing attributive clauses, the uses of attributive clauses, contrast of some relative conjunctions,and the uses of relative adverbs and relative adjective,etc. 十四、名词性从句(Nominal Clauses) • Nominal clauses has been discussed in this lecture. More specifically, function and types