| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] what [pron] [vb past] be [v-ing] | 20 |
|
| 2 | [vb past] what [pron] [vb past] [be] [v-ing] | 20 |
|
| 3 | [vb past] what [pers pn] [vb past] [be] [v-ing] | 19 |
|
| 4 | [vb past] what [pron] [vb past] [been] [v-ing] | 18 |
|
| 5 | [vb past] what [pron] [vb past] been [v-ing] | 18 |
|
| 6 | [vb past] what he [vb past] [be] [v-ing] | 10 |
|
| 7 | [vb past] what [pron] had [be] [v-ing] | 10 |
|
| 8 | [vb past] what he [vb past] [be] [v-ing] | 10 |
|
| 9 | [vb past] what [pron] 'd [be] [v-ing] | 8 |
|
