| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for a [det] month | 127 |
|
| 2 | [vb past] for a [det] | 121 |
|
| 3 | [vb past] a [det] month | 37 |
|
| 4 | [vb past] for [det] month | 16 |
|
| 5 | [vb past] for a month | 9 |
|
