| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can [vb infin] [adv] [conj] [art] | 58 |
|
| 2 | [modal v] [vb infin] [adv] when [art] | 29 |
|
| 3 | can [vb infin] [adv] when [art] | 11 |
|
| 4 | can [verb] [adv] when [art] | 5 |
|
