| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [adj] at [art] | 61 |
|
| 2 | [modal v] [vb infin] at [art] time | 33 |
|
| 3 | [modal v] [vb infin] [adj] [art] time | 21 |
|
| 4 | [vb infin] [adj] at [art] time | 18 |
|
