存在句（3）

sentences indicating existence or emergence (3)

The following sentence pattern is commonly used to describe the appearance or disappearance of a person or thing from some location.

S(PW) + V + Pt or Complement +Num-MP +O (persons or things that appear or disappear)

Notes:

（1） the subject of this type of sentence is a word or phrase indicating a location. The prepositions such as “在”and “从” cannot be inserted before the subject. 
 

 (2) the predicate of this type of sentence is usually an intransitive verb that usually refers to a positional change of people or things. For example, “走， 跑，来，丢，生，死”。

（3）the verb of this type of sentence is commonly followed by the aspect particle “了” or a complement.

 (4) the object of this type of sentence must not be specified. Thus, one cannot say:“前边走来了马大为。” There is usually a numeral-measure phrase or another attributive in front of the object.