| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [modal v] [vb infin] a [det] weeks | 5 |
|
| 2 | [pron] [modal v] [vb infin] a [det] weeks | 5 |
|
| 3 | [modal v] [vb infin] [prep] a [det] weeks | 12 |
|
| 4 | [modal v] [vb infin] [prep] a [det] weeks | 12 |
|
