| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [vb infin] us [prep] [be] [adj] | 6 |
|
| 2 | [modal v] [vb infin] us [prep] [be] [adj] | 6 |
|
| 3 | [vb infin] us [prep] [be] [adv] [adj] | 5 |
|
| 4 | [vb infin] us [prep] [be] [adv] [adj] | 5 |
|
