| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] six months ' [noun] | 15 |
|
| 2 | [noun sg] [prep] six months ' [noun] | 12 |
|
| 3 | [verb] [prep] six months ' [noun] | 9 |
|
| 4 | [prep] six months ' [noun] [prep] | 7 |
|
| 5 | [prep] six months ' [noun] [prep] | 7 |
|
