| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be allow [to-vb] [prep] | 732 |
|
| 2 | [vb infin] be [to-vb] [prep] | 48 |
|
| 3 | [vb infin] be allow [to-vb] | 40 |
|
| 4 | [vb infin] be allow [prep] | 7 |
|
