| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for a [noun] [unc] | 543 |
|
| 2 | [prep] a month [unc] | 93 |
|
| 3 | [prep] a month [unc] | 93 |
|
| 4 | for [art] month [unc] | 17 |
|
| 5 | for a month [unc] | 16 |
|
