SN4 ""

No	Pattern	Freq
1	had [adv] been	11148
2	had [adv] be	7306
3	had not be	3928
4	had [not/n't] be	3928
5	had not be	2652
6	had n't be	1276
7	had never be	941
8	had never be	941
9	had already be	933
10	had already be	933
11	had always be	705
12	had always be	705
13	had also be	439
14	had also be	439
15	had once be	375
16	had once be	375
17	had previously be	335
18	had previously be	335
19	had ever be	265
20	had ever be	265
21	had just be	262
22	had just be	262
23	had long be	249
24	had long be	249
25	had all be	238
26	had all be	238
27	had only be	232
28	had only be	232
29	had recently be	155
30	had recently be	155