No | Pattern | Freq | Relations |
---|---|---|---|
1 | two years ' [noun] | 173 | |
2 | [adj] years ' duration | 71 | |
3 | two [noun pl] ' duration | 9 | |
4 | two [noun] ' duration | 9 | |
5 | two years ['s] duration | 7 | |
6 | two years [unc] duration | 7 | |
7 | two year ' duration | 7 | |
8 | two years ' duration | 7 |