| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] [noun sg] | 210574 |
|
| 2 | working [prep] a [noun sg] | 805 |
|
| 3 | working [prep] a [adj] | 444 |
|
| 4 | working [prep] [adj] [noun sg] | 269 |
|
| 5 | working a [adj] [noun sg] | 18 |
|
