SN4 ""

No	Pattern	Freq
1	had [adv] been [prep]	921
2	had [adv] been [prep]	509
3	had [not/n't] been [prep]	412
4	had not been [prep]	412
5	had [adv] been in	301
6	had [adv] been in	301
7	had n't been [prep]	210
8	had [adv] been for	202
9	had not been [prep]	202
10	had [adv] been for	202
11	had [adv] been to	132
12	had [adv] been to	132
13	had never been [prep]	127
14	had never been [prep]	127
15	had [adv] been on	82
16	had [adv] been on	82
17	had always been [prep]	59
18	had always been [prep]	59
19	had [adv] been at	58
20	had [adv] been at	58
21	had only been [prep]	42
22	had only been [prep]	42
23	had already been [prep]	39
24	had already been [prep]	39
25	had ever been [prep]	35
26	had ever been [prep]	35
27	had [adv] been with	31
28	had [adv] been with	31
29	had also been [prep]	25
30	had also been [prep]	25