| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of [adj] years ' [noun sg] | 186 |
|
| 2 | [prep] four years ' [noun sg] | 46 |
|
| 3 | of four [noun] ' [noun sg] | 24 |
|
| 4 | of four [noun pl] ' [noun sg] | 24 |
|
| 5 | of four year ' [noun sg] | 21 |
|
| 6 | of four years [unc] [noun sg] | 21 |
|
| 7 | of four years ' [noun] | 21 |
|
