SN4 ""

No	Pattern	Freq
1	[pron] had [adv] been [prep]	601
2	[pers pn] had [adv] been [prep]	519
3	[noun] had [adv] been [prep]	240
4	it had [adv] been [prep]	220
5	it had [adv] been [prep]	220
6	[noun sg] had [adv] been [prep]	103
7	[noun prp] had [adv] been [prep]	97
8	he had [adv] been [prep]	92
9	he had [adv] been [prep]	92
10	she had [adv] been [prep]	83
11	she had [adv] been [prep]	82
12	i had [adv] been [prep]	70
13	i had [adv] been [prep]	69
14	[Wh pn] had [adv] been [prep]	53
15	who had [adv] been [prep]	52
16	who had [adv] been [prep]	52
17	[noun pl] had [adv] been [prep]	38
18	they had [adv] been [prep]	36
19	they had [adv] been [prep]	33
20	[conj] had [adv] been [prep]	29
21	[coord] had [adv] been [prep]	22
22	and had [adv] been [prep]	17
23	and had [adv] been [prep]	17
24	which had [adv] been [prep]	16
25	[Wh det] had [adv] been [prep]	16
26	which had [adv] been [prep]	16
27	[ex0] had [adv] been [prep]	10
28	we had [adv] been [prep]	10
29	there had [adv] been [prep]	10
30	there had [adv] been [prep]	10