SN4 ""

No	Pattern	Freq
1	after [num] years	1681
2	after two years	213
3	after two years	213
4	after [det] years	151
5	after five years	148
6	after five years	148
7	after three years	146
8	after three years	146
9	after ten years	81
10	after ten years	81
11	after four years	80
12	after four years	80
13	after many years	75
14	after many years	75
15	after six years	55
16	after six years	55
17	after 10 years	53
18	after 10 years	53
19	after 20 years	52
20	after 20 years	52
21	after several years	51
22	after several years	51
23	after seven years	46
24	after seven years	46
25	after 13 years	39
26	after 13 years	39
27	after twenty years	37
28	after eight years	37
29	after twenty years	37
30	after eight years	37