SN4 ""

No	Pattern	Freq
1	been [vb pp] [prep] some	519
2	been [vb pp] by some	155
3	been [vb pp] by some	155
4	been [vb pp] in some	130
5	been [vb pp] in some	130
6	been [vb pp] for some	115
7	been [vb pp] for some	115
8	been [vb pp] to some	37
9	been [vb pp] to some	37
10	been [vb pp] with some	30
11	been [vb pp] with some	30
12	been [vb pp] at some	24
13	been [vb pp] at some	24
14	been known [prep] some	21
15	been used [prep] some	19
16	been seen [prep] some	12
17	been found [prep] some	9
18	been made [prep] some	8
19	been described [prep] some	7
20	been suggested [prep] some	7
21	been recognised [prep] some	7
22	been argued [prep] some	7
23	been established [prep] some	7
24	been shown [prep] some	5
25	been [vb pp] on some	5
26	been [vb pp] on some	5
27	been [vb pp] into some	5
28	been expressed [prep] some	5
29	been adopted [prep] some	5
30	been [vb pp] into some	5