SN4 ""

No	Pattern	Freq
1	[verb] been [adv] for [adj] years	56
2	have been [adv] for [adj] years	56
3	[vb base] been [adv] for [adj] years	19
4	[vb -s] been [adv] for [adj] years	19
5	[vb past] been [adv] for [adj] years	16
6	has been [adv] for [adj] years	15
7	had been [adv] for [adj] years	14
8	've been [adv] for [adj] years	11
9	have been [adv] for [adj] years	8
10	been [verb] [adv] for [adj] years	54
11	been [v-ing] [adv] for [adj] years	40
12	been go [adv] for [adj] years	15
13	been going [adv] for [adj] years	15
14	been [vb pp] [adv] for [adj] years	14
15	been [adv] [adv] for [adj] years	5
16	been [adv] [verb] for [adj] years	12
17	been [adv] [vb pp] for [adj] years	11
18	been [adv] [adj] for [adj] years	9
19	been [adv] [adj] for [adj] years	9
20	been [adv] [adv] for [adj] years	5
21	been [adv] [adv] for [adj] years	5
22	been [adv] now for [adj] years	5
23	been [adv] now for [adj] years	5
24	been [adv] for [adv] [adj] years	18
25	been [adv] for [adv] [adj] years	18
26	been [adv] for [adj] [adj] years	8
27	been [adv] for over [adj] years	7
28	been [adv] for over [adj] years	7
29	been [adv] for [art] [adj] years	7
30	been [adv] for [art] [adj] years	7