| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which had [be] [v-ing] [adj] | 13 |
|
| 2 | [Wh det] had [been] [v-ing] [adj] | 13 |
|
| 3 | [Wh det] had be [v-ing] [adj] | 13 |
|
| 4 | [Wh det] had been [v-ing] [adj] | 13 |
|
| 5 | [Wh det] had [be] [v-ing] [adj] | 8 |
|
| 6 | [Wh det] had [be] [v-ing] [det] | 5 |
|
