| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [verb] [pron] be [v-ing] to | 535 |
|
| 2 | [Wh det] [verb] [pron] be [v-ing] [prep] | 59 |
|
| 3 | [Wh det] [verb] [pron] be [verb] to | 30 |
|
| 4 | [Wh det] [verb] [pron] [be] [v-ing] to | 23 |
|
