SN4 ""

No	Pattern	Freq
1	[noun] have been seen [prep]	122
2	[noun sg] have been seen [prep]	72
3	[pron] have been seen [prep]	59
4	[pers pn] have been seen [prep]	37
5	[conj] have been seen [prep]	33
6	[noun pl] have been seen [prep]	31
7	[modal v] have been seen [prep]	21
8	[vb mod] have been seen [prep]	21
9	[adj] have been seen [prep]	18
10	[Wh det] have been seen [prep]	16
11	[noun prp] have been seen [prep]	16
12	[subord] have been seen [prep]	15
13	as have been seen [prep]	13
14	as have been seen [prep]	13
15	it have been seen [prep]	13
16	it have been seen [prep]	13
17	[coord] have been seen [prep]	12
18	he have been seen [prep]	11
19	he have been seen [prep]	11
20	[adv] have been seen [prep]	11
21	[det] have been seen [prep]	10
22	and have been seen [prep]	10
23	and have been seen [prep]	10
24	what have been seen [prep]	8
25	[adv] have been seen [prep]	8
26	what have been seen [prep]	8
27	which have been seen [prep]	8
28	which have been seen [prep]	8
29	[num] have been seen [prep]	7
30	this have been seen [prep]	7