| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] are [v-ing] be | 9 |
|
| 2 | who [am/are] [v-ing] be | 9 |
|
| 3 | [Wh pn] [am/are] [v-ing] are | 9 |
|
