SN4 ""

No	Pattern	Freq
1	[prep] many years	2188
2	[prep] many years	2188
3	for many years	1805
4	for many years	1805
5	[adv] many years	429
6	[adv] many years	300
7	[verb] many years	266
8	so many years	193
9	so many years	193
10	over many years	177
11	over many years	177
12	[noun] many years	124
13	[vb pp] many years	98
14	[adj] many years	80
15	[Wh adv] many years	78
16	[noun sg] many years	78
17	[vb past] many years	76
18	after many years	75
19	after many years	75
20	how many years	73
21	how many years	73
22	be many years	61
23	[be] many years	61
24	spend many years	53
25	take many years	49
26	of many years	47
27	of many years	47
28	[pron] many years	43
29	[adj] many years	40
30	[det] many years	39