SN4 ""

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