You are here: Home > Grammar > Expressing Comparison > Dynamic Auxiliary - 了

Dynamic Auxiliary - 了

着(zhē)、了(lē)、过(guò) are stylistic markers. 

indicates that some actions or changes have finished. The common forms are:

a. V1 + +(object )+  (就/才/再) + V2
This  form has a following clause, which indicates the sequence of actions or an assumption.
For instance,
1)看了电影就回家。(We will go back home after watching the film.)
2)吃了晚饭才进城。(We didn't enter the city till we finished our dinner.)

b.V1 + (object ) + V2 + +(object )
This form usually contains  SVS (the sentence with verbal structure in series) or pivotal sentences.
For instance,
3)学校请专家和学生谈了一次。(The school invited the experts to have a talk with the students.)
4)我去图书馆借了两本书。(I went to the library to borrow two books.)