| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] to work at [det] | 18 |
|
| 2 | [verb] to work at all | 10 |
|
| 3 | [verb] to work at all | 10 |
|
| 4 | have to work at [adj] | 7 |
|
| 5 | [vb infin] to work at [adj] | 7 |
|
| 6 | [vb pp] to work at [adj] | 5 |
|
| 7 | [v-ing] to work at [adj] | 5 |
|
