| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb base] be to | 347 |
|
| 2 | [Wh pn] [vb base] be [prep] | 153 |
|
| 3 | [Wh pn] [verb] be to | 50 |
|
| 4 | [Wh pn] [vb base] [be] to | 18 |
|
