| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [modal v] [vb infin] for a | 465 |
|
| 2 | [modal v] [vb infin] for a while | 32 |
|
| 3 | [pers pn] [modal v] [vb infin] a while | 31 |
|
| 4 | [pers pn] [vb infin] for a while | 5 |
|
