SN4 ""

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