| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have worked for | 306 |
|
| 2 | had work for | 125 |
|
| 3 | have work for | 62 |
|
| 4 | has work for | 57 |
|
| 5 | have to work for | 43 |
|
| 6 | 've work for | 38 |
|
| 7 | have work for | 25 |
|
| 8 | having work for | 18 |
|
| 9 | 'd work for | 14 |
|
| 10 | to have work for | 9 |
|
