| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [pers pn] [be] [v-ing] | 9981 |
|
| 2 | [pers pn] 's [be] [v-ing] | 697 |
|
| 3 | [Wh det] 's [be] [v-ing] | 83 |
|
| 4 | [Wh det] [pers pn] 's [be] | 61 |
|
