SN4 ""

No	Pattern	Freq
1	[pron] have [been] for [det] years	15
2	[pers pn] have [been] for [det] years	10
3	[coord] have [been] for [det] years	10
4	[conj] have [been] for [det] years	10
5	and have [been] for [det] years	8
6	and have [been] for [det] years	8
7	[noun] have [been] for [det] years	6
8	have [been] [verb] for [det] years	106
9	have [been] [vb pp] for [det] years	70
10	have [been] [adj] for [det] years	41
11	have [been] [adj] for [det] years	41
12	have [been] [v-ing] for [det] years	36
13	have [been] know for [det] years	15
14	have [been] known for [det] years	15
15	have [been] [adv] for [det] years	13
16	have [been] use for [det] years	12
17	have [been] used for [det] years	12
18	have [been] around for [det] years	9
19	have [been] around for [det] years	9
20	have [been] [adv prt] for [det] years	9
21	have [been] empty for [det] years	6
22	have [been] empty for [det] years	6
23	have [been] for [det] years [art]	8
24	have [been] for [det] years [art]	8
25	have [been] for [det] years a	5