SN4 ""

No	Pattern	Freq
1	been for [adj] [prep] years	5
2	been for [adj] of years	5
3	been for [adj] [prep] years	5
4	been for [adj] of years	5
5	[verb] been for [adj] years	45
6	have been for [adj] years	45
7	[vb -s] been for [adj] years	24
8	has been for [adj] years	21
9	had been for [adj] years	12
10	[vb past] been for [adj] years	12
11	[vb base] been for [adj] years	7
12	[adv] been for [adj] years	7
13	n't been for [adj] years	6
14	have been for [adj] years	6
15	not been for [adj] years	6
16	[not/n't] been for [adj] years	6
17	been [verb] for [adj] years	336
18	been [vb pp] for [adj] years	191
19	been [v-ing] for [adj] years	145
20	been [adj] for [adj] years	123
21	been [adj] for [adj] years	122
22	been [adv] for [adj] years	59
23	been [adv] for [adj] years	40
24	been married for [adj] years	39
25	been married for [adj] years	39
26	been jailed for [adj] years	29
27	been jail for [adj] years	29
28	been run for [adj] years	23
29	been running for [adj] years	21
30	been [noun] for [adj] years	19