SN4 ""

No	Pattern	Freq
1	have been [vb pp] for [adj] [noun]	725
2	have been [vb pp] for [adj] [noun pl]	419
3	have been [vb pp] for [adj] [noun sg]	286
4	has been [vb pp] for [adj] [noun]	270
5	have been [vb pp] for [det] [noun]	250
6	have been [vb pp] for [adj] [noun]	247
7	have been [vb pp] for [num] [noun]	200
8	had been [vb pp] for [adj] [noun]	194
9	have been [vb pp] for [adj] [noun]	180
10	have been [vb pp] for [adj] year	169
11	have been [vb pp] for [adj] years	162
12	have been [vb pp] for some [noun]	90
13	have been [vb pp] for some [noun]	90
14	have been [vb pp] for many [noun]	60
15	have been [vb pp] for many [noun]	60
16	have been [vb pp] for [adj] time	60
17	have been [vb pp] for [adj] time	60
18	have been [vb pp] for [adj] month	50
19	have been [vb pp] for [adj] months	49
20	have been jailed for [adj] [noun]	48
21	have been used for [adj] [noun]	44
22	have been [vb pp] for this [noun]	38
23	have been [vb pp] for this [noun]	38
24	have been [vb pp] for three [noun]	32
25	have been [vb pp] for three [noun]	32
26	have been known for [adj] [noun]	32
27	have been [vb pp] for [adj] [noun]	31
28	have been made for [adj] [noun]	29
29	have been [vb pp] for [adj] reason	29
30	have been [vb pp] for [adj] purpose	28