SN4 ""

No	Pattern	Freq
1	[noun] have been [vb pp] [adj] years	32
2	[noun sg] have been [vb pp] [adj] years	25
3	[pron] have been [vb pp] [adj] years	20
4	[pers pn] have been [vb pp] [adj] years	15
5	[modal v] have been [vb pp] [adj] years	6
6	[vb mod] have been [vb pp] [adj] years	6
7	have [adv] been [vb pp] [adj] years	5
8	have been [vb pp] [prep] [adj] years	308
9	have been [vb pp] [prep] [adj] years	308
10	have been [vb pp] for [adj] years	162
11	have been [vb pp] for [adj] years	162
12	have been [vb pp] in [adj] years	88
13	have been [vb pp] in [adj] years	88
14	have been [vb pp] [adv] [adj] years	32
15	have been [vb pp] [adv] [adj] years	30
16	have been [vb pp] to [adj] years	22
17	have been [vb pp] to [adj] years	22
18	have been [vb pp] over [adj] years	17
19	have been [vb pp] over [adj] years	17
20	have been [vb pp] [art] [adj] years	11
21	have been [vb pp] a [adj] years	11
22	have been [vb pp] [art] [adj] years	11
23	have been [vb pp] a [adj] years	11
24	have been [vb pp] over [adj] years	8
25	have been [vb pp] over [adj] years	8
26	have been [vb pp] [adj] [adj] years	5
27	have been [vb pp] only [adj] years	5
28	have been [vb pp] only [adj] years	5
29	have been [vb pp] about [adj] years	5
30	have been [vb pp] about [adj] years	5