SN4 ""

No	Pattern	Freq
1	[pron] have [been] [verb] for years	41
2	[pron] have been [verb] for years	41
3	[pron] have [been] [v-ing] for years	37
4	[pers pn] have [been] [verb] for years	30
5	[pron] 've [been] [verb] for years	11
6	[pron] had [been] [verb] for years	11
7	[pron] 's [been] [verb] for years	8
8	we have [been] [verb] for years	7
9	[pron] have [been] [verb] for years	7
10	they have [been] [verb] for years	7
11	they have [been] [verb] for years	7
12	we have [been] [verb] for years	7
13	[Wh pn] have [been] [verb] for years	6
14	who have [been] [verb] for years	6
15	who have [been] [verb] for years	6
16	i have [been] [verb] for years	5
17	i have [been] [verb] for years	5