SN4 ""

No	Pattern	Freq
1	[pron] have [prep] been	6
2	[pers pn] have [prep] been	5
3	have [noun] [prep] been	11
4	have [adv] [prep] been	11
5	have [noun sg] [prep] been	11
6	have sort [prep] been	8
7	have sort [prep] been	8
8	have not [prep] been	6
9	have n't [prep] been	6
10	have [not/n't] [prep] been	6
11	have [adv] [prep] been	5
12	have [prep] [noun] been	247
13	have [prep] [noun sg] been	203
14	have [prep] [adv] been	124
15	have [prep] [adv] been	124
16	have [prep] fact been	119
17	have [prep] fact been	119
18	have [prep] [adj] been	83
19	have [prep] [num ord] been	44
20	have [prep] [noun pl] been	41
21	have [prep] course been	32
22	have [prep] course been	32
23	have [prep] long been	31
24	have [prep] long been	31
25	have [prep] last been	29
26	have [prep] last been	29
27	have [prep] [num] been	27
28	have [prep] now been	24
29	have [prep] now been	24
30	have [prep] then been	22