SN4 ""

No	Pattern	Freq
1	there have [adv] been	1337
2	[ex0] have [adv] been	1046
3	[ex0] has [adv] been	579
4	[ex0] had [adv] been	368
5	[ex0] have not been	291
6	[ex0] have [not/n't] been	291
7	[ex0] have [adv] been	254
8	[ex0] have also been	221
9	[ex0] have also been	221
10	[ex0] have never been	203
11	[ex0] have never been	203
12	[ex0] have always been	199
13	[ex0] have always been	199
14	[ex0] have n't been	162
15	[ex0] have not been	129
16	[ex0] 's [adv] been	123
17	[ex0] have already been	78
18	[ex0] have already been	78
19	[ex0] have only been	30
20	[ex0] have only been	30
21	[ex0] have recently been	29
22	[ex0] have recently been	29
23	[ex0] have ever been	27
24	[ex0] have ever been	27
25	[ex0] have long been	25
26	[ex0] have certainly been	25
27	[ex0] have even been	25
28	[ex0] have even been	25
29	[ex0] have certainly been	25
30	[ex0] have long been	25