| This dissertation tries to find out other perfect marks besides "le 1" ,and describes the regulations and distribution of dissertation in compound sentences and context, based on the studies of 10 short stories or novella ,about 250,000 characters.According to the entire observation, the dissertation lists thirteen categories of perfect marks, and unmarked verbs. The dissertation focus on the predicative-complement phrase, which indicates the perfect of the sentences. The result shows that the complements often indicates the perfect aspect without "le" .In the studies of distribution, this dissertation focus on four types of compound sentences. The result of investigation shows that different sorts of compound sentences have different tends in choosing perfect marks. |