| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] be [v-ing] [art] [noun] | 797 |
|
| 2 | 've be [v-ing] [art] [noun] | 160 |
|
| 3 | [Wh pn] 've be [v-ing] [art] | 7 |
|
