| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] [unc] [noun sg] | 1997 |
|
| 2 | [num] months [unc] | 501 |
|
| 3 | months [unc] [noun sg] | 423 |
|
| 4 | [num] months [noun sg] | 276 |
|
