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 n't been [prep]	210
6	had not been [prep]	202
7	had never been [prep]	127
8	had never been [prep]	127
9	had [pron] been [prep]	69
10	had [pers pn] been [prep]	64
11	had always been [prep]	59
12	had always been [prep]	59
13	had only been [prep]	42
14	had only been [prep]	42
15	had already been [prep]	39
16	had already been [prep]	39
17	had ever been [prep]	35
18	had ever been [prep]	35
19	had also been [prep]	25
20	had also been [prep]	25
21	had he been [prep]	19
22	had he been [prep]	19
23	had all been [prep]	19
24	had all been [prep]	19
25	had previously been [prep]	15
26	had previously been [prep]	15
27	had long been [prep]	14
28	had long been [prep]	14
29	had it been [prep]	12
30	had it been [prep]	12