SN4 ""

No	Pattern	Freq
1	[conj] [pers pn] have been for years	11
2	[subord] [pers pn] have been for years	11
3	than [pers pn] have been for years	10
4	than [pers pn] have been for years	10
5	[pers pn] have been [verb] for years	30
6	[pers pn] have been [v-ing] for years	26
7	[pers pn] have been [adj] for years	10
8	[pers pn] have been [adj] for years	10
9	[pers pn] have been [adv] for years	8
10	[pers pn] have been [adv] for years	7
11	[pers pn] have been for [adj] years	17
12	[pers pn] have been for [det] years	10
13	[pers pn] have been for many years	8
14	[pers pn] have been for many years	8
15	[pers pn] have been for [num] years	7