| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [pers pn] [prep] six month | 9 |
|
| 2 | [vb past] [pers pn] [prep] six months | 9 |
|
| 3 | [vb past] [pers pn] for six month | 5 |
|
| 4 | [vb past] [pers pn] for six month | 5 |
|
