否定量词

little7, no 6, less 5, few 3, neither...nor 1, none1

词汇否定

形容词

limited 3,rare 2, unlike 2, unexplored 1, sparse 1,scarce1

名词

omission 1, dearth 1

动词

neglect 4

动词短语否定

not 24, rarely 1

表达转折和让步的连接词和副词

However 12, although 11,but 9, while 8, despite 8, yet 5, though 4, whereas 3, nevertheless 2, notwithstanding 2, even 2, only 1