SN4 ""

No	Pattern	Freq
1	[noun] for years	749
2	[verb] for years	514
3	[noun sg] for years	505
4	[adv] for years	255
5	[pron] for years	248
6	[vb pp] for years	237
7	[pers pn] for years	207
8	[noun pl] for years	168
9	[adj] for years	165
10	[adv] for years	137
11	[v-ing] for years	111
12	[adv prt] for years	110
13	[adj] for years	100
14	it for years	82
15	it for years	82
16	have for years	69
17	[noun prp] for years	67
18	[det] for years	52
19	[vb infin] for years	51
20	[conj] for years	46
21	on for years	41
22	on for years	41
23	him for years	40
24	he for years	40
25	[be] for years	39
26	be for years	39
27	there for years	37
28	there for years	37
29	[vb past] for years	36
30	[been] for years	30