SN4 ""

No	Pattern	Freq
1	[adj] years when	206
2	[num] years when	125
3	[art] years when	54
4	the years when	54
5	the years when	54
6	[art] years when	54
7	[det] years when	39
8	[adj] years when	36
9	[prep] years when	28
10	[prep] years when	28
11	two years when	22
12	two years when	22
13	five years when	18
14	five years when	18
15	three years when	16
16	three years when	16
17	few years when	14
18	few years when	14
19	four years when	13
20	four years when	13
21	ten years when	9
22	ten years when	9
23	of years when	9
24	of years when	9
25	many years when	8
26	those years when	8
27	those years when	8
28	many years when	8
29	for years when	7
30	[noun sg] years when	7