SN4 ""

No	Pattern	Freq
1	there have [adv] been	1337
2	there have [adv] been	1046
3	there has [adv] been	579
4	there had [adv] been	368
5	there have not been	291
6	there have [not/n't] been	291
7	there have [adv] been	254
8	there have also been	221
9	there have also been	221
10	there have never been	203
11	there have never been	203
12	there have always been	199
13	there have always been	199
14	there have n't been	162
15	there have not been	129
16	there 's [adv] been	123
17	there have already been	78
18	there have already been	78
19	there have only been	30
20	there have only been	30
21	there have recently been	29
22	there have recently been	29
23	there have ever been	27
24	there have ever been	27
25	there have long been	25
26	there have even been	25
27	there have certainly been	25
28	there have certainly been	25
29	there have long been	25
30	there have even been	25