SN4 ""

No	Pattern	Freq
1	have be [vb pp] [prep] some	469
2	have [been] [vb pp] [prep] some	469
3	have been [vb pp] [prep] some	469
4	has [be] [vb pp] [prep] some	201
5	have [be] [vb pp] by some	145
6	have [be] [vb pp] in some	119
7	had [be] [vb pp] [prep] some	105
8	have [be] [vb pp] for some	101
9	have [be] [vb pp] [prep] some	86
10	have [be] [vb pp] [prep] some	41
11	have [be] [vb pp] to some	32
12	have [be] [vb pp] with some	28
13	have [be] [vb pp] at some	22
14	have [be] known [prep] some	21
15	to have [be] [vb pp] [prep] some	17
16	have [be] used [prep] some	15
17	have [be] found [prep] some	9
18	have [be] seen [prep] some	7
19	have [be] recognised [prep] some	7
20	have [be] established [prep] some	7
21	's [be] [vb pp] [prep] some	7
22	have [be] made [prep] some	7
23	have [be] suggested [prep] some	6
24	have [be] described [prep] some	6
25	have [be] adopted [prep] some	5
26	've [be] [vb pp] [prep] some	5
27	having [be] [vb pp] [prep] some	5
28	have [be] argued [prep] some	5
29	have [be] expressed [prep] some	5