SN4 ""

No	Pattern	Freq
1	[noun] have been [vb pp] [prep] some	230
2	[noun sg] have be [vb pp] [prep] some	142
3	[noun] has be [vb pp] [prep] some	112
4	[noun pl] have be [vb pp] [prep] some	68
5	[noun] have be [vb pp] by some	68
6	[noun] have be [vb pp] in some	60
7	[noun] have be [vb pp] [prep] some	57
8	[noun] had be [vb pp] [prep] some	55
9	[noun] have be [vb pp] for some	48
10	[noun] have be [vb pp] to some	21
11	[noun prp] have be [vb pp] [prep] some	14
12	[noun] have be [vb pp] at some	13
13	[noun] have be [vb pp] with some	11
14	[noun] have be known [prep] some	8
15	[noun] have be found [prep] some	8
16	[noun] have be used [prep] some	7
17	[noun] have be established [prep] some	6
18	[noun] have be made [prep] some	6
19	[noun] have be expressed [prep] some	5
20	[n mass] have be [vb pp] [prep] some	5
21	[noun] have be recognised [prep] some	5
22	[noun] have be seen [prep] some	5