| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | six months [unc] [noun] | 96 |
|
| 2 | [prep] six months [unc] | 48 |
|
| 3 | [prep] six months [noun] | 39 |
|
| 4 | [prep] six [unc] [noun] | 8 |
|
