| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] a [noun sg] [prep] | 9426 |
|
| 2 | [modal v] [vb infin] a time [prep] | 12 |
|
| 3 | [vb infin] a time [noun sg] [prep] | 10 |
|
| 4 | [modal v] [vb infin] a time [noun sg] | 6 |
|
