| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] he [vb past] [been] [v-ing] for | 12 |
|
| 2 | [Wh det] he [vb past] been [v-ing] for | 12 |
|
| 3 | [Wh det] he had [been] [v-ing] for | 9 |
|
| 4 | what he [vb past] [been] [v-ing] for | 7 |
|
| 5 | which he [vb past] [been] [v-ing] for | 5 |
|
