| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he had been [v-ing] for | 74 |
|
| 2 | he 'd been [v-ing] for | 20 |
|
| 3 | he [vb past] been waiting for | 16 |
|
| 4 | he [vb past] been looking for | 12 |
|
| 5 | he [vb past] been working for | 7 |
|
| 6 | he [vb past] been searching for | 5 |
|
