| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] months at [art] time | 16 |
|
| 2 | for month at [art] time | 16 |
|
| 3 | [prep] month at [art] time | 16 |
|
| 4 | [prep] month at a time | 16 |
|
| 5 | [prep] month at [art] time | 16 |
|
| 6 | [prep] month at a time | 16 |
|
| 7 | for month at [art] time | 16 |
|
| 8 | [prep] month at [art] time | 16 |
|
