SN4 ""

No	Pattern	Freq
1	have been [vb pp] at the	485
2	had been [vb pp] at [art]	258
3	has been [vb pp] at [art]	145
4	have been [vb pp] at a	110
5	have been [vb pp] at [art]	98
6	have been [vb pp] at [art]	61
7	to have been [vb pp] at [art]	26
8	have been made at [art]	25
9	have been [vb pp] at an	21
10	have been found at [art]	15
11	have been achieved at [art]	15
12	having been [vb pp] at [art]	15
13	have been educated at [art]	12
14	have been set at [art]	11
15	have been held at [art]	10
16	have been placed at [art]	10
17	have been bought at [art]	10
18	have been levelled at [art]	9
19	have been built at [art]	9
20	'd been [vb pp] at [art]	8
21	have been arrested at [art]	8
22	have been discussed at [art]	7
23	have been agreed at [art]	7
24	have been introduced at [art]	7
25	's been [vb pp] at [art]	7
26	have been done at [art]	7
27	have been installed at [art]	7
28	have been left at [art]	6
29	have been [vb pp] at every	6
30	have been directed at [art]	6