| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] six [adj] [noun] | 566 |
|
| 2 | [prep] six months [noun] | 39 |
|
| 3 | six months [adj] [noun] | 25 |
|
| 4 | [prep] six months [adj] | 17 |
|
| 5 | [prep] months [adj] [noun] | 7 |
|
