| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | work for a [noun] | 300 |
|
| 2 | work for a [noun sg] | 288 |
|
| 3 | [verb] for a time | 125 |
|
| 4 | work [prep] a time | 16 |
|
| 5 | work for a time | 11 |
|
| 6 | work for [art] time | 11 |
|
