| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in a [noun] | 70481 |
|
| 2 | [prep] a month | 1040 |
|
| 3 | [prep] a month | 1039 |
|
| 4 | in [art] month | 491 |
|
| 5 | in a month | 136 |
|
