No | Pattern | Freq | Relations |
---|---|---|---|
1 | [be] [prep] [num] years [unc] duration | 49 | |
2 | [be] [prep] [adj] years [unc] duration | 49 | |
3 | [be] [prep] three [noun] [unc] duration | 26 | |
4 | [be] [prep] three [noun pl] [unc] duration | 26 | |
5 | [be] [prep] three years [unc] [noun] | 25 | |
6 | [be] [prep] three years [unc] duration | 24 | |
7 | [be] [prep] three year [unc] duration | 24 |