SN4 ""

No	Pattern	Freq
1	[noun] after [num] years	432
2	[noun sg] after [adj] years	306
3	[noun prp] after [adj] years	87
4	[noun pl] after [adj] years	61
5	[noun] after two years	51
6	[noun] after two years	51
7	[noun] after three years	38
8	[noun] after three years	38
9	[noun] after five years	36
10	[noun] after five years	36
11	[noun] after [det] years	28
12	[noun] after ten years	19
13	[noun] after ten years	19
14	[noun] after many years	16
15	[noun] after many years	16
16	[noun] after 20 years	15
17	[noun] after 20 years	15
18	[noun] after seven years	13
19	[noun] after four years	13
20	[noun] after four years	13
21	[noun] after seven years	13
22	[n mass] after [adj] years	12
23	[noun] after 10 years	12
24	[noun] after 10 years	12
25	[noun] after six years	12
26	[noun] after six years	12
27	[noun] after eight years	11
28	[noun] after eight years	11
29	[noun] after 25 years	11
30	[noun] after 25 years	11