SN4 ""

No	Pattern	Freq
1	[pron] have previously been	248
2	[noun] have previously been	165
3	[Wh det] have previously been	110
4	[noun sg] have previously been	88
5	which have previously been	85
6	which have previously been	85
7	[conj] have previously been	82
8	[pers pn] have previously been	81
9	[noun pl] have previously been	47
10	[Wh pn] have previously been	47
11	who have previously been	46
12	who have previously been	46
13	that have previously been	39
14	that have previously been	39
15	[that] have previously been	39
16	[subord] have previously been	37
17	it have previously been	33
18	it have previously been	33
19	than have previously been	30
20	than have previously been	30
21	what have previously been	25
22	[noun prp] have previously been	25
23	what have previously been	25
24	he have previously been	22
25	he have previously been	22
26	they have previously been	14
27	they have previously been	13
28	[adj] have previously been	9
29	there have previously been	9
30	there have previously been	9