| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | or [adj] year ['s] | 60 |
|
| 2 | or [num] year ['s] | 51 |
|
| 3 | or four [noun] ['s] | 21 |
|
| 4 | [conj] four year ['s] | 14 |
|
| 5 | or four year [unc] | 13 |
|
| 6 | or four year ['s] | 12 |
|
