| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [pron] [modal v] be [v-ing] | 357 |
|
| 2 | [noun pl] [Wh pn] [modal v] be [verb] | 273 |
|
| 3 | [noun] [Wh pn] [modal v] be [v-ing] | 196 |
|
| 4 | [noun pl] [Wh pn] [modal v] [be] [v-ing] | 78 |
|
