| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] us [adj] | 367 |
|
| 2 | us [vb infin] [adj] | 345 |
|
| 3 | [to-vb] [vb infin] [adj] | 303 |
|
| 4 | [to-vb] us [vb infin] | 274 |
|
