| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] a [det] [noun] | 1199 |
|
| 2 | [verb] a [det] month | 119 |
|
| 3 | [vb past] a [adj] month | 57 |
|
| 4 | [vb past] [art] [det] month | 37 |
|
