SN4 ""

No	Pattern	Freq
1	[that] had [adv] been	295
2	[that] had [adv] been	211
3	[that] had not been	84
4	[that] had [not/n't] been	84
5	[that] had not been	54
6	[that] had once been	49
7	[that] had once been	49
8	[that] had already been	31
9	[that] had already been	31
10	[that] had n't been	30
11	[that] had previously been	23
12	[that] had previously been	23
13	[that] had never been	20
14	[that] had never been	20
15	[that] had always been	18
16	[that] had always been	18
17	[that] had [pron] been	17
18	[that] had [pers pn] been	12
19	[that] had long been	7
20	[that] had long been	7
21	[that] had ever been	7
22	[that] had ever been	7
23	[that] had just been	6
24	[that] had just been	6
25	[that] had it been	5
26	[that] had hitherto been	5
27	[that] had it been	5
28	[that] had hitherto been	5
29	[noun] [that] had been	1109
30	[noun sg] [that] had been	692