Parsing long English sentences with pattern rules

In machine translation, parsing of long English sentences still causes some problems, whereas for short sentences a good machine translation system usually can generate readable translations. In this paper a practical method is presented for parsing long English sentences of some patterns. The rules for the patterns are treated separately from the augmented context free grammar, where each context free grammar rule is augmented by some syntactic functions and semantic functions. The rules for patterns and augmented context free grammar are complimentary to each other. In this way long English sentences covered by the patterns can be parsed efficiently.