SN4 ""

No	Pattern	Freq
1	[pron] have [adv] been a	850
2	[pers pn] have [adv] been a	479
3	[ex0] have [adv] been a	445
4	there have [adv] been a	445
5	there have [adv] been a	445
6	[pron] had [adv] been a	394
7	[pron] has [adv] been a	378
8	it have [adv] been a	227
9	it have [adv] been a	227
10	[pron] have always been a	217
11	[pron] have always been a	217
12	[pron] have not been a	179
13	[pron] have [not/n't] been a	179
14	[pron] have never been a	141
15	[pron] have never been a	141
16	[pron] 's [adv] been a	128
17	[pron] have also been a	105
18	[pron] have also been a	105
19	[pron] have not been a	90
20	[pron] have n't been a	89
21	he have [adv] been a	87
22	he have [adv] been a	87
23	i have [adv] been a	73
24	i have [adv] been a	72
25	[Wh det] have [adv] been a	70
26	[pron] 've [adv] been a	58
27	[pron] have [adv] been a	58
28	[pron] have once been a	51
29	[pron] have once been a	51
30	what have [adv] been a	49