| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] or [verb] | 3258 |
|
| 2 | [is] [to-vb] [verb] | 509 |
|
| 3 | [is] [to-vb] or | 49 |
|
| 4 | [is] or [verb] | 42 |
|
