| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] six months [noun] | 39 |
|
| 2 | [prep] [adj] months [noun prp] | 36 |
|
| 3 | [prep] six [noun] [noun prp] | 23 |
|
| 4 | [prep] six [noun pl] [noun prp] | 13 |
|
| 5 | [prep] six month [noun prp] | 5 |
|
