| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] had [be] [verb] [prep] | 966 |
|
| 2 | [Wh pn] had [be] [v-ing] [prep] | 161 |
|
| 3 | [pron] had [be] working [prep] | 81 |
|
| 4 | [Wh pn] have [be] working [prep] | 29 |
|
| 5 | [Wh pn] [verb] [be] working [prep] | 29 |
|
| 6 | [Wh pn] [vb past] [be] working [prep] | 14 |
|
| 7 | [Wh pn] had [be] work [prep] | 12 |
|
| 8 | [Wh pn] had [be] working [prep] | 12 |
|
