| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] [Wh det] be | 296 |
|
| 2 | be [v-ing] [Wh det] be | 105 |
|
| 3 | [prep] be [v-ing] be | 46 |
|
| 4 | [prep] be [v-ing] [Wh det] | 25 |
|
| 5 | [prep] be [Wh det] be | 17 |
|
