SN4 ""

No	Pattern	Freq
1	had [adv] known	525
2	had [adv] know	292
3	had not know	237
4	had [not/n't] know	237
5	had n't know	130
6	had not know	107
7	had never know	90
8	had never know	90
9	had ever know	67
10	had ever know	67
11	had always know	56
12	had always know	56
13	had only know	10
14	had only know	10
15	had once know	9
16	had once know	9
17	had also know	6
18	had long know	6
19	had long know	6
20	had also know	6
21	had scarcely know	5
22	had scarcely know	5