SN4 ""

No	Pattern	Freq
1	[verb] [to-vb] [prep] years	26
2	[vb pp] [to-vb] [prep] years	12
3	[v-ing] [to-vb] [prep] years	7
4	[to-vb] [noun] [prep] years	11
5	[to-vb] [pron] [prep] years	10
6	[to-vb] [pers pn] [prep] years	9
7	[to-vb] [adv] [prep] years	6
8	[to-vb] [noun pl] [prep] years	5
9	[to-vb] [adv prt] [prep] years	5
10	[to-vb] [noun sg] [prep] years	5
11	[to-vb] [adj] [prep] years	5
12	[to-vb] [prep] [adj] years	194
13	[to-vb] [prep] [num] years	120
14	[to-vb] [prep] [art] years	48
15	[to-vb] [prep] the years	48
16	[to-vb] [prep] [art] years	48
17	[to-vb] [prep] the years	48
18	[to-vb] [prep] [det] years	44
19	[to-vb] [prep] [adj] years	23
20	[to-vb] [prep] five years	21
21	[to-vb] [prep] five years	21
22	[to-vb] [prep] many years	18
23	[to-vb] [prep] many years	18
24	[to-vb] [prep] two years	15
25	[to-vb] [prep] two years	15
26	[to-vb] [prep] some years	11
27	[to-vb] [prep] recent years	11
28	[to-vb] [prep] recent years	11
29	[to-vb] [prep] some years	11
30	[to-vb] [prep] several years	11