| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have worked [prep] the [noun sg] | 40 |
|
| 2 | who had worked [prep] the [noun sg] | 19 |
|
| 3 | who has worked [prep] the [noun sg] | 13 |
|
| 4 | who have worked in the [noun sg] | 12 |
|
| 5 | who have worked on the [noun sg] | 9 |
|
| 6 | who have worked for the [noun sg] | 8 |
|
| 7 | who have worked [prep] the [noun sg] | 8 |
|
