SN4 ""

No	Pattern	Freq
1	have been [vb pp] for some [noun sg]	68
2	have been [vb pp] for [det] time	59
3	has been [vb pp] for [det] [noun sg]	47
4	had been [vb pp] for [det] [noun sg]	41
5	have been [vb pp] for this [noun sg]	37
6	have been [vb pp] for [det] [noun sg]	35
7	have been known for [det] [noun sg]	16
8	have been [vb pp] for [det] reason	14
9	have been [vb pp] for [det] purpose	9
10	have been made for [det] [noun sg]	8
11	have been [vb pp] for [det] [noun sg]	7
12	have been [vb pp] for that [noun sg]	7
13	have been used for [det] [noun sg]	7
14	have been [vb pp] for another [noun sg]	6
15	have been [vb pp] for any [noun sg]	6
16	have been [vb pp] for each [noun sg]	6
17	have been recognised for [det] [noun sg]	6