| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [Wh det] be [v-ing] [prep] | 61 |
|
| 2 | to [Wh det] be [v-ing] [prep] | 31 |
|
| 3 | [conj] to [Wh det] be [v-ing] | 24 |
|
| 4 | [conj] to be [v-ing] [prep] | 16 |
|
| 5 | [conj] to [Wh det] be [prep] | 10 |
|
