SN4 ""

No	Pattern	Freq
1	have been [adj] for [adj] years	120
2	[verb] been [adj] for [adj] years	120
3	[vb past] been [adj] for [adj] years	48
4	had been [adj] for [adj] years	46
5	[vb base] been [adj] for [adj] years	37
6	[vb -s] been [adj] for [adj] years	33
7	has been [adj] for [adj] years	29
8	have been [adj] for [adj] years	27
9	've been [adj] for [adj] years	10
10	been [adv] [adj] for [adj] years	9
11	been [adv] [adj] for [adj] years	9
12	been [verb] [adj] for [adj] years	5
13	been [adj] [noun] for [adj] years	8
14	been [adj] [noun sg] for [adj] years	5
15	been [adj] for [adv] [adj] years	19
16	been [adj] for [adv] [adj] years	19
17	been [adj] for about [adj] years	7
18	been [adj] for about [adj] years	7
19	been [adj] for nearly [adj] years	5
20	been [adj] for [art] [adj] years	5
21	been [adj] for [art] [adj] years	5
22	been [adj] for [adj] [adj] years	5
23	been [adj] for nearly [adj] years	5
24	been [adj] for [adj] [adj] years	5
25	been [adj] for [adj] years [conj]	28
26	been [adj] for [adj] years [coord]	22
27	been [adj] for [adj] years and	20
28	been [adj] for [adj] years and	20
29	been [adj] for [adj] years [prep]	10
30	been [adj] for [adj] years [prep]	10