SN4 ""

No	Pattern	Freq
1	[pron] had previously been	188
2	[Wh det] had previously been	81
3	[noun] had previously been	79
4	which had previously been	57
5	which had previously been	57
6	[pers pn] had previously been	56
7	[conj] had previously been	50
8	[Wh pn] had previously been	41
9	who had previously been	40
10	who had previously been	40
11	[noun sg] had previously been	35
12	[subord] had previously been	25
13	what had previously been	24
14	what had previously been	24
15	[that] had previously been	23
16	that had previously been	23
17	that had previously been	23
18	than had previously been	22
19	than had previously been	22
20	[noun prp] had previously been	21
21	[noun pl] had previously been	20
22	it had previously been	19
23	it had previously been	19
24	he had previously been	18
25	he had previously been	18
26	they had previously been	10
27	they had previously been	10
28	[ex0] had previously been	9
29	there had previously been	9
30	there had previously been	9