SN4 ""

No	Pattern	Freq
1	[noun] had [adv] been [verb] in	157
2	[pron] had [adv] been [verb] in	134
3	[noun sg] had [adv] been [verb] in	85
4	[pers pn] had [adv] been [verb] in	67
5	[noun pl] had [adv] been [verb] in	48
6	[Wh det] had [adv] been [verb] in	47
7	which had [adv] been [verb] in	42
8	which had [adv] been [verb] in	42
9	[conj] had [adv] been [verb] in	32
10	it had [adv] been [verb] in	23
11	it had [adv] been [verb] in	23
12	[noun prp] had [adv] been [verb] in	21
13	he had [adv] been [verb] in	18
14	that had [adv] been [verb] in	17
15	he had [adv] been [verb] in	17
16	[that] had [adv] been [verb] in	17
17	that had [adv] been [verb] in	17
18	who had [adv] been [verb] in	16
19	who had [adv] been [verb] in	16
20	[Wh pn] had [adv] been [verb] in	16
21	[adj] had [adv] been [verb] in	14
22	they had [adv] been [verb] in	13
23	[coord] had [adv] been [verb] in	11
24	they had [adv] been [verb] in	11
25	and had [adv] been [verb] in	9
26	and had [adv] been [verb] in	9
27	[det] had [adv] been [verb] in	8
28	this had [adv] been [verb] in	7
29	this had [adv] been [verb] in	7
30	she had [adv] been [verb] in	6