| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [det] a [noun sg] | 7816 |
|
| 2 | work [prep] a [noun sg] | 751 |
|
| 3 | work [prep] [det] [noun sg] | 418 |
|
| 4 | work [prep] [det] a | 10 |
|
