例如时态，介词，连词和其他一些让你能造出语法正确的句子。

For example, you had to maintain tenses, and you had to use prepositions, conjunctions, and others properly to create grammatically correct sentences. Say, a sentence like the following.

youdao

介词和连词是小品词。

Prepositions and conjunctions are particles.

youdao

是一个十分常用的词，它既可以作连词、介词、副词及代词，又可以和其它词组合构成短语来表示许许多多的意思。

But "is a very commonly used word. It can be used as a conjunction, a preposition, an adverb and a relative pronoun in sentences."

youdao