| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] nine months | 211 |
|
| 2 | [noun prp] [prep] nine | 60 |
|
| 3 | [noun prp] [prep] months | 12 |
|
| 4 | [noun prp] nine months | 5 |
|
