No | Pattern | Freq | Relations |
---|---|---|---|
1 | [be] [prep] [num] years ' duration | 49 | |
2 | [be] [prep] [adj] years ' duration | 49 | |
3 | [be] [prep] four year ' duration | 18 | |
4 | [be] [prep] four years ' duration | 18 | |
5 | [be] [prep] four [noun] ' duration | 18 | |
6 | [be] [prep] four years [unc] duration | 18 | |
7 | [be] [prep] four years ' duration | 18 | |
8 | [be] [prep] four years ' [noun] | 18 | |
9 | [be] [prep] four [noun pl] ' duration | 18 |