SN4 ""

No	Pattern	Freq
1	[pron] have been [adj] [adj] years	14
2	[pers pn] have been [adj] [adj] years	12
3	[vb mod] have been [adj] [adj] years	6
4	[modal v] have been [adj] [adj] years	6
5	would have been [adj] [adj] years	5
6	would have been [adj] [adj] years	5
7	have been a [adj] [adj] years	8
8	have been [art] [adj] [adj] years	8
9	have been [art] [adj] [adj] years	8
10	have been a [adj] [adj] years	6
11	have been [adj] [prep] [adj] years	131
12	have been [adj] [prep] [adj] years	131
13	have been [adj] for [adj] years	120
14	have been [adj] for [adj] years	120
15	have been [adj] in [adj] years	9
16	have been [adj] in [adj] years	9
17	have been [adj] [adj] [adj] years	5
18	have been [adj] [adj] [adj] years	5
19	have been [adj] [adj] years [adv]	8
20	have been [adj] [adj] years [adv]	8
21	have been [adj] [adj] years ago	7
22	have been [adj] [adj] years ago	7