SN4 ""

No	Pattern	Freq
1	[adv] there have [adv] been	44
2	[adv] there have [adv] been	35
3	[adv] there has [adv] been	24
4	[adv] there have [not/n't] been	15
5	[adv] there have not been	15
6	[adv] there had [adv] been	13
7	[adv] there have n't been	11
8	[adv] there have never been	9
9	[adv] there have never been	9
10	[adv] there have only been	7
11	[adv] there have [adv] been	7
12	[adv] there have only been	7
13	yet there have [adv] been	7
14	yet there have [adv] been	7
15	[Wh adv] there have [adv] been	6
16	[adv] there have also been	5
17	[adv] there have also been	5
18	[adv] there have always been	5
19	[adv] there 's [adv] been	5
20	[adv] there have always been	5