| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] [modal v] be [v-ing] | 401 |
|
| 2 | people [Wh pn] be [v-ing] | 380 |
|
| 3 | people [modal v] be [v-ing] | 145 |
|
| 4 | people [Wh pn] [modal v] be | 135 |
|
