| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] what [pron] had be [v-ing] | 10 |
|
| 2 | [vb past] what [pron] had been [v-ing] | 10 |
|
| 3 | [vb past] what [pron] had [been] [v-ing] | 10 |
|
| 4 | [vb past] what [pers pn] had [be] [v-ing] | 9 |
|
| 5 | [vb past] what he had [be] [v-ing] | 7 |
|
| 6 | [vb past] what he had [be] [v-ing] | 7 |
|
