| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had to work [prep] the | 17 |
|
| 2 | have to work [prep] the | 15 |
|
| 3 | have to work on the | 12 |
|
| 4 | have to work [prep] the | 7 |
|
| 5 | have to work through the | 7 |
|
| 6 | have to work with the | 7 |
|
| 7 | have to work in the | 5 |
|
