SN4 ""

No	Pattern	Freq
1	[pers pn] have [adv] been [det]	50
2	it have [adv] been [det]	34
3	[pers pn] had [adv] been [det]	32
4	[pers pn] have not been [det]	31
5	[pers pn] have [not/n't] been [det]	31
6	[pers pn] have [adv] been such	19
7	[pers pn] have n't been [det]	18
8	[pers pn] have never been [det]	17
9	[pers pn] have [adv] been that	17
10	[pers pn] have never been [det]	17
11	[pers pn] 's [adv] been [det]	17
12	i have [adv] been [det]	16
13	[pers pn] have always been [det]	14
14	[pers pn] have always been [det]	14
15	[pers pn] have [adv] been much	14
16	[pers pn] have not been [det]	13
17	[pers pn] 've [adv] been [det]	13
18	[pers pn] have [adv] been this	12
19	[pers pn] has [adv] been [det]	11
20	he have [adv] been [det]	10
21	she have [adv] been [det]	9
22	[pers pn] have [adv] been any	8
23	[pers pn] have [adv] been [det]	5
24	they have [adv] been [det]	5