SN4 ""

No	Pattern	Freq
1	[pron] have been for [det] years	15
2	[coord] have been for [det] years	10
3	[pers pn] 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 known for [det] years	15
14	have been know for [det] years	15
15	have been [adv] for [det] years	13
16	have been used for [det] years	12
17	have been use for [det] years	12
18	have been [adv prt] for [det] years	9
19	have been around for [det] years	9
20	have been around 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