SN4 ""

No	Pattern	Freq
1	it took years	8
2	[pron] took years	8
3	it took years	8
4	[pers pn] took years	8
5	took [adj] years	124
6	took [num] years	100
7	took [det] years	23
8	took two years	17
9	took two years	17
10	took three years	14
11	took four years	14
12	took many years	14
13	took many years	14
14	took three years	14
15	took four years	14
16	took five years	11
17	took five years	11
18	took ten years	8
19	took ten years	8
20	took seven years	5
21	took several years	5
22	took several years	5
23	took seven years	5
24	took years [to-vb]	7
25	took years [verb]	7
26	took years [prep]	5
27	took years [prep]	5