SN4 ""

No	Pattern	Freq
1	[noun] has [been] see [prep]	59
2	[noun sg] has [been] see [prep]	48
3	[conj] has [been] see [prep]	22
4	[pron] has [been] see [prep]	20
5	[subord] has [been] see [prep]	13
6	[pers pn] has [been] see [prep]	13
7	as has [been] see [prep]	12
8	as has [been] see [prep]	12
9	it has [been] see [prep]	10
10	it has [been] see [prep]	10
11	[adj] has [been] see [prep]	9
12	[det] has [been] see [prep]	8
13	this has [been] see [prep]	7
14	this has [been] see [prep]	7
15	[Wh det] has [been] see [prep]	6
16	[noun prp] has [been] see [prep]	6
17	[coord] has [been] see [prep]	5
18	[noun pl] has [been] see [prep]	5
19	and has [been] see [prep]	5
20	and has [been] see [prep]	5
21	has [adv] [been] see [prep]	90
22	has [adv] [been] see [prep]	63
23	has [not/n't] [been] see [prep]	27
24	has not [been] see [prep]	27
25	has not [been] see [prep]	26
26	has often [been] see [prep]	11
27	has often [been] see [prep]	11
28	has already [been] see [prep]	10
29	has already [been] see [prep]	10
30	has always [been] see [prep]	6