SN4 ""

No	Pattern	Freq
1	been [vb pp] for [adv] [adj] years	38
2	been [vb pp] for [adv] [adj] years	37
3	been [vb pp] for over [adj] years	20
4	been [vb pp] for over [adj] years	20
5	been [vb pp] for [adj] [adj] years	10
6	been [vb pp] for [num] [adj] years	7
7	been [vb pp] for about [adj] years	6
8	been [vb pp] for about [adj] years	6
9	been [vb pp] for nearly [adj] years	5
10	been [vb pp] for nearly [adj] years	5
11	[verb] been [vb pp] for [adj] years	162
12	have been [vb pp] for [adj] years	162
13	[vb -s] been [vb pp] for [adj] years	84
14	has been [vb pp] for [adj] years	78
15	[vb past] been [vb pp] for [adj] years	38
16	[vb base] been [vb pp] for [adj] years	37
17	had been [vb pp] for [adj] years	36
18	have been [vb pp] for [adj] years	30
19	[adv] been [vb pp] for [adj] years	25
20	[not/n't] been [vb pp] for [adj] years	21
21	not been [vb pp] for [adj] years	21
22	not been [vb pp] for [adj] years	13
23	n't been [vb pp] for [adj] years	8
24	've been [vb pp] for [adj] years	7
25	's been [vb pp] for [adj] years	6
26	been [adv] [vb pp] for [adj] years	11
27	been [adv] [vb pp] for [adj] years	11
28	been [vb pp] [adv] for [adj] years	14
29	been [vb pp] [adv prt] for [adj] years	8
30	been [vb pp] [adv] for [adj] years	6