SN4 ""

No	Pattern	Freq
1	have [adv] been [vb pp] to [be]	108
2	have [adv] be [vb pp] to [be]	108
3	have [adv] be [vb pp] to be	108
4	have [adv] be [vb pp] to [be]	95
5	has [adv] be [vb pp] to [be]	56
6	have [adv] be shown to [be]	38
7	had [adv] be [vb pp] to [be]	26
8	have [adv] be [vb pp] to [be]	25
9	have [adv] be found to [be]	18
10	have previously be [vb pp] to [be]	13
11	have [not/n't] be [vb pp] to [be]	13
12	have previously be [vb pp] to [be]	13
13	have not be [vb pp] to [be]	13
14	have not be [vb pp] to [be]	12
15	have also be [vb pp] to [be]	11
16	have also be [vb pp] to [be]	11
17	have recently be [vb pp] to [be]	10
18	have recently be [vb pp] to [be]	10
19	have [adv] be considered to [be]	9
20	have already be [vb pp] to [be]	5
21	have generally be [vb pp] to [be]	5
22	have generally be [vb pp] to [be]	5
23	have already be [vb pp] to [be]	5