| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | two years ' [noun] | 173 |
|
| 2 | two years ' [noun sg] | 167 |
|
| 3 | years ' [noun sg] [noun] | 46 |
|
| 4 | two years [noun sg] [noun] | 7 |
|
