| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] what [pron] had [be] [v-ing] | 24 |
|
| 2 | [vb past] what [pron] [verb] [be] [v-ing] | 23 |
|
| 3 | [vb past] what [pron] have [be] [v-ing] | 21 |
|
| 4 | [vb past] what [pron] [vb past] [be] [v-ing] | 20 |
|
| 5 | [vb past] [pron] [pron] had [be] [v-ing] | 20 |
|
| 6 | [vb past] what [pron] had [be] [verb] | 13 |
|
