| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [to-vb] | 45047 |
|
| 2 | [be] [to-vb] | 45047 |
|
| 3 | 's [verb] | 33482 |
|
| 4 | [is] [to-vb] | 21878 |
|
