SN4 ""

No	Pattern	Freq
1	[noun] [pron] have previously been	89
2	[noun pl] [pron] have previously been	45
3	[noun sg] [pron] have previously been	35
4	[conj] [pron] have previously been	28
5	[subord] [pron] have previously been	19
6	[prep] [pron] have previously been	13
7	[pron] [pron] have previously been	13
8	[prep] [pron] have previously been	13
9	[Wh det] [pron] have previously been	11
10	where [pron] have previously been	9
11	where [pron] have previously been	9
12	of [pron] have previously been	8
13	of [pron] have previously been	8
14	[verb] [pron] have previously been	8
15	which [pron] have previously been	8
16	which [pron] have previously been	8
17	that [pron] have previously been	6
18	that [pron] have previously been	6
19	[that] [pron] have previously been	6
20	[noun prp] [pron] have previously been	5
21	[pron] [pron] have previously been	13
22	[pron] [pers pn] have previously been	12
23	[pron] [noun] have previously been	12
24	[pron] [noun pl] have previously been	7
25	[pron] he have previously been	5
26	[pron] [noun sg] have previously been	5
27	[pron] he have previously been	5
28	[pron] have [adv] previously been	40
29	[pron] have not previously been	29
30	[pron] have [not/n't] previously been	29