SN4 ""

No	Pattern	Freq
1	[modal v] have been [prep] [noun] [prep]	87
2	[vb mod] have been [prep] [noun] [prep]	87
3	would have been [prep] [noun] [prep]	31
4	would have been [prep] [noun] [prep]	27
5	[adv] have been [prep] [noun] [prep]	21
6	[adv] have been [prep] [noun] [prep]	17
7	must have been [prep] [noun] [prep]	16
8	must have been [prep] [noun] [prep]	16
9	may have been [prep] [noun] [prep]	14
10	may have been [prep] [noun] [prep]	14
11	might have been [prep] [noun] [prep]	11
12	might have been [prep] [noun] [prep]	11
13	will have been [prep] [noun] [prep]	6
14	will have been [prep] [noun] [prep]	6
15	should have been [prep] [noun] [prep]	5
16	should have been [prep] [noun] [prep]	5
17	have been [verb] [prep] [noun] [prep]	224
18	have been [vb pp] [prep] [noun] [prep]	208
19	have been [adj] [prep] [noun] [prep]	46
20	have been [adj] [prep] [noun] [prep]	43
21	have been [adv] [prep] [noun] [prep]	34
22	have been [adv] [prep] [noun] [prep]	26
23	have been [v-ing] [prep] [noun] [prep]	16
24	have been use [prep] [noun] [prep]	15
25	have been used [prep] [noun] [prep]	15
26	have been more [prep] [noun] [prep]	8
27	have been more [prep] [noun] [prep]	8
28	have been [adv prt] [prep] [noun] [prep]	8
29	have been [noun] [prep] [noun] [prep]	7
30	have been put [prep] [noun] [prep]	6