| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what they can [vb infin] | 142 |
|
| 2 | [prep] they can [vb infin] | 68 |
|
| 3 | [prep] what they can | 52 |
|
| 4 | [prep] what can [vb infin] | 28 |
|
