| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he had been work [prep] | 34 |
|
| 2 | he had been work [prep] | 34 |
|
| 3 | he had been working [prep] | 33 |
|
| 4 | he had been work on | 12 |
|
| 5 | he had been work on | 12 |
|
| 6 | he had been work for | 6 |
|
| 7 | he had been work for | 6 |
|
