SN4 ""

No	Pattern	Freq
1	have [been] for years	27
2	[verb] [been] for years	27
3	[vb base] [been] for years	10
4	[vb -s] [been] for years	9
5	have [been] for years	8
6	[vb past] [been] for years	8
7	has [been] for years	7
8	had [been] for years	6
9	[been] [verb] for years	121
10	[been] [v-ing] for years	82
11	[been] [vb pp] for years	39
12	[been] [adv] for years	33
13	[been] [adj] for years	30
14	[been] [adj] for years	30
15	[been] [adv] for years	22
16	[been] there for years	13
17	[been] there for years	13
18	[been] [adv prt] for years	11
19	[been] [noun] for years	9
20	[been] trying for years	9
21	[been] use for years	9
22	[been] try for years	9
23	[been] used for years	8
24	[been] [noun pl] for years	7
25	[been] dead for years	7
26	[been] dead for years	7
27	[been] around for years	6
28	[been] around for years	6
29	[been] here for years	5
30	[been] friend for years	5