| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] had [be] [v-ing] | 3173 |
|
| 2 | [Wh det] had [be] [verb] | 2235 |
|
| 3 | [Wh det] [verb] [be] [v-ing] | 578 |
|
| 4 | [Wh det] have [be] [v-ing] | 555 |
|
| 5 | [Wh det] [vb past] [be] [v-ing] | 200 |
|
