| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [to-vb] [prep] | 2376 |
|
| 2 | allow [to-vb] [prep] | 1073 |
|
| 3 | [is] allow [to-vb] | 281 |
|
| 4 | [is] allow [prep] | 86 |
|
