| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [num] [noun prp] | 21818 |
|
| 2 | [prep] [num] months | 5300 |
|
| 3 | [num] months [noun prp] | 71 |
|
| 4 | [prep] months [noun prp] | 7 |
|
