SN4 ""

No	Pattern	Freq
1	have been [verb] [prep] some [prep]	52
2	have been [vb pp] [prep] some [prep]	43
3	have been [verb] [prep] some of	42
4	have been [verb] by some [prep]	20
5	have been [verb] by some [prep]	20
6	has been [verb] [prep] some [prep]	16
7	have been [verb] [prep] some [prep]	11
8	had been [verb] [prep] some [prep]	10
9	have been [verb] in some [prep]	10
10	have been [verb] in some [prep]	10
11	have been [v-ing] [prep] some [prep]	9
12	have been [verb] at some [prep]	7
13	have been [verb] at some [prep]	7
14	have been looking [prep] some [prep]	7
15	have been look [prep] some [prep]	7
16	've been [verb] [prep] some [prep]	6
17	have been [verb] [prep] some [prep]	5
18	have been [verb] [prep] some as	5
19	have been [verb] to some [prep]	5
20	have been [verb] to some [prep]	5