| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adj] months of [noun] | 160 |
|
| 2 | [prep] six [noun] of [noun] | 153 |
|
| 3 | [prep] six [noun pl] of [noun] | 152 |
|
| 4 | [prep] six months [prep] [noun] | 79 |
|
| 5 | [prep] six months [prep] [noun] | 79 |
|
| 6 | [prep] six months of [noun] | 30 |
|
| 7 | [prep] six month of [noun] | 30 |
|
