| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [det] days | 813 |
|
| 2 | [vb -s] [prep] a [det] | 72 |
|
| 3 | [vb -s] [prep] [det] days | 13 |
|
| 4 | [vb -s] a [det] days | 10 |
|
