SN4 ""

No	Pattern	Freq
1	have been [vb pp] [prep] [det]	654
2	have be [vb pp] in [det]	197
3	have be [vb pp] [prep] this	172
4	have be [vb pp] by [det]	106
5	have be [vb pp] for [det]	95
6	have be [vb pp] [prep] some	86
7	have be [vb pp] [prep] many	70
8	have be [vb pp] to [det]	56
9	have be [vb pp] [prep] all	51
10	have be [vb pp] [prep] these	45
11	have be [vb pp] [prep] several	42
12	have be [vb pp] from [det]	36
13	have be made [prep] [det]	32
14	have be [vb pp] [prep] those	32
15	have be [vb pp] [prep] that	30
16	have be [vb pp] on [det]	29
17	have be [vb pp] with [det]	28
18	have be [vb pp] [prep] such	27
19	have be [vb pp] at [det]	25
20	have be [vb pp] [prep] any	21
21	have be used [prep] [det]	20
22	have be [vb pp] [prep] each	16
23	have be [vb pp] of [det]	15
24	have be found [prep] [det]	15
25	have be developed [prep] [det]	13
26	have be [vb pp] [prep] both	13
27	have be described [prep] [det]	12
28	have be [vb pp] [prep] most	11
29	have be [vb pp] [prep] another	11
30	have be known [prep] [det]	11