word-formation造句

1、Try to grasp the word-formation and usage of adverbs.
初步掌握副词的构成方式以及使用方法。

2、Learning the rules of word-formation helps to enlarge our vocabulary.
学会构词法有助于扩大词汇量。

3、Word with suffix is one type of word-formation in Northeastern dialect.
语缀型词语是东北方言的一种构词类型。