| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he was working on | 44 |
|
| 2 | he was working for | 24 |
|
| 3 | he was working in | 18 |
|
| 4 | he was working with | 17 |
|
| 5 | he was working at | 11 |
|
| 6 | he was working as | 8 |
|
