SN4 ""

No	Pattern	Freq
1	[pron] [adv] had been	195
2	[noun] [adv] had been	136
3	[pers pn] [adv] had been	106
4	[noun sg] [adv] had been	71
5	[conj] [adv] had been	68
6	[adv] [adv] had been	54
7	[verb] [adv] had been	50
8	[adv] [adv] had been	47
9	[coord] [adv] had been	45
10	[noun pl] [adv] had been	43
11	[adj] [adv] had been	39
12	[indef pn] [adv] had been	34
13	[prep] [adv] had been	34
14	[prep] [adv] had been	34
15	it [adv] had been	33
16	it [adv] had been	33
17	and [adv] had been	33
18	and [adv] had been	33
19	he [adv] had been	32
20	[Wh det] [adv] had been	31
21	he [adv] had been	29
22	so [adv] had been	24
23	so [adv] had been	24
24	which [adv] had been	23
25	which [adv] had been	23
26	she [adv] had been	22
27	[noun prp] [adv] had been	22
28	she [adv] had been	20
29	[vb pp] [adv] had been	18
30	[det] [adv] had been	14