SN4 ""

No	Pattern	Freq
1	there have [been] some [noun]	265
2	there have been some [noun]	265
3	there have [been] some [noun sg]	206
4	there has [been] some [noun]	130
5	there had [been] some [noun]	62
6	there have [been] some [noun pl]	59
7	there have [been] some [noun]	48
8	there 's [been] some [noun]	19
9	there have [been] some improvement	9
10	there have [been] some concern	8
11	there have [been] some concern	8
12	there have [been] some discussion	8
13	there have [been] some discussion	8
14	there have [been] some change	7
15	there have [been] some disagreement	6
16	there have [been] some sort	6
17	there have [been] some mistake	6
18	there have [been] some debate	6
19	there have [been] some improvement	6
20	there have [been] some debate	6
21	there have [been] some mistake	6
22	there have [been] some sort	6
23	there have [been] some disagreement	6
24	there have [been] some attempt	5
25	there have [been] some increase	5
26	there 'd [been] some [noun]	5
27	there have [been] some progress	5
28	there have [been] some doubt	5
29	there have [been] some controversy	5
30	there have [been] some changes	5