| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] months [pron] know | 6 |
|
| 2 | [adj] months [pron] know | 6 |
|
| 3 | six months [pron] know | 5 |
|
| 4 | six months [pron] know | 5 |
|
