Corpus_A

Corpus_B

知识点(KP) 南京大学2010 美国英语新闻
a. + are 425.98 110.87
v. + are 150.87 36.85
are 150327.03 68990.45
are/bit 62.12 16.22
are/lex 958.46 413.05
are/n 1109.33 449.05
are/np 115.37 86.42
名词 are 399.36 202.95
are/pos 1109.33 449.05
are/ske 79.87 16.22
are/vp 41648.55 26988.39