| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] two years ' [noun] [noun sg] | 6 |
|
| 2 | [prep] two years ' [noun] [noun] | 6 |
|
| 3 | [prep] two years ' [noun] [noun] | 6 |
|
| 4 | [prep] two years ' [noun sg] [noun] | 6 |
|
