| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] six months ['s] | 46 |
|
| 2 | [prep] six month ' | 46 |
|
| 3 | in six month ['s] | 16 |
|
| 4 | to six month ['s] | 10 |
|
| 5 | of six month ['s] | 9 |
|
