SN4 ""

No	Pattern	Freq
1	been [vb pp] for [num] years	114
2	been [vb pp] for [det] years	77
3	been [vb pp] for many years	54
4	been [vb pp] for many years	54
5	been jailed for [adj] years	29
6	been [vb pp] for some years	17
7	been known for [adj] years	17
8	been [vb pp] for some years	17
9	been [vb pp] for two years	17
10	been [vb pp] for two years	17
11	been [vb pp] for three years	16
12	been [vb pp] for three years	16
13	been used for [adj] years	15
14	been [vb pp] for seven years	8
15	been [vb pp] for five years	8
16	been [vb pp] for seven years	8
17	been [vb pp] for five years	8
18	been [vb pp] for 12 years	7
19	been [vb pp] for 12 years	7
20	been separated for [adj] years	6
21	been [vb pp] for several years	6
22	been [vb pp] for several years	6
23	been banned for [adj] years	5
24	been established for [adj] years	5
25	been [vb pp] for 20 years	5
26	been [vb pp] for 20 years	5
27	been [vb pp] for ten years	5
28	been [vb pp] for four years	5
29	been [vb pp] for four years	5
30	been [vb pp] for ten years	5