SN4 ""

No	Pattern	Freq
1	had [adv] seen [prep]	108
2	had [adv] see [prep]	108
3	had [adv] see [prep]	63
4	had [not/n't] see [prep]	45
5	had not see [prep]	45
6	had [adv] see in	41
7	had [adv] see in	41
8	had [adv] see for	27
9	had [adv] see for	27
10	had not see [prep]	24
11	had n't see [prep]	21
12	had ever see [prep]	20
13	had ever see [prep]	20
14	had never see [prep]	17
15	had never see [prep]	17
16	had [adv] see on	9
17	had [adv] see on	9
18	had [adv] see before	7
19	had [adv] see before	7
20	had once see [prep]	6
21	had once see [prep]	6
22	had already see [prep]	6
23	had already see [prep]	6