| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] six [noun] a [noun] | 40 |
|
| 2 | [prep] six [noun pl] a [noun] | 37 |
|
| 3 | [prep] [adj] months a [noun] | 17 |
|
| 4 | [prep] six months [art] [noun] | 12 |
|
| 5 | [prep] six month a [noun] | 5 |
|
