SN4 ""

No	Pattern	Freq
1	[pron] have been [det] [noun pl]	285
2	there have been [det] [noun pl]	269
3	there have been [det] [noun pl]	269
4	[ex0] have been [det] [noun pl]	269
5	[modal v] have been [det] [noun pl]	28
6	[vb mod] have been [det] [noun pl]	28
7	[adv] have been [det] [noun pl]	19
8	[adv] have been [det] [noun pl]	16
9	[pers pn] have been [det] [noun pl]	16
10	must have been [det] [noun pl]	13
11	must have been [det] [noun pl]	13
12	there have been [det] [noun pl]	12
13	there have been [det] [noun pl]	12
14	it have been [det] [noun pl]	7
15	it have been [det] [noun pl]	7
16	would have been [det] [noun pl]	7
17	would have been [det] [noun pl]	6
18	[noun] have been [det] [noun pl]	5
19	have [adv] been [det] [noun pl]	49
20	have [adv] been [det] [noun pl]	33
21	have not been [det] [noun pl]	16
22	have [not/n't] been [det] [noun pl]	16
23	have n't been [det] [noun pl]	12
24	have [pron] been [det] [noun pl]	10
25	have there been [det] [noun pl]	9
26	have there been [det] [noun pl]	9
27	have [ex0] been [det] [noun pl]	9
28	have never been [det] [noun pl]	7
29	have never been [det] [noun pl]	7
30	have also been [det] [noun pl]	6