SN4 ""

No	Pattern	Freq
1	[adv] have been	587
2	[adv] have [been]	556
3	there have [been]	111
4	there have [been]	111
5	always have [been]	49
6	always have [been]	49
7	never have [been]	38
8	never have [been]	38
9	far have [been]	34
10	far have [been]	34
11	here have [been]	25
12	here have [been]	25
13	not have [been]	21
14	[not/n't] have [been]	21
15	too have [been]	16
16	too have [been]	16
17	not have [been]	14
18	really have [been]	12
19	really have [been]	12
20	above have [been]	12
21	above have [been]	12
22	now have [been]	12
23	now have [been]	12
24	so have [been]	11
25	so have [been]	11
26	also have [been]	10
27	ago have [been]	10
28	[adv prt] have [been]	10
29	also have [been]	10
30	ago have [been]	10