| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] he [be] [v-ing] [prep] | 333 |
|
| 2 | [to-vb] [Wh det] he [be] [v-ing] | 107 |
|
| 3 | [to-vb] [Wh det] [be] [v-ing] [prep] | 86 |
|
| 4 | [to-vb] he [be] [v-ing] [prep] | 13 |
|
