| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adj] months [prep] [noun] | 420 |
|
| 2 | [prep] six [noun] [prep] [noun] | 380 |
|
| 3 | [prep] six [noun pl] [prep] [noun] | 371 |
|
| 4 | [prep] six month [prep] [noun] | 79 |
|
