| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what can [vb infin] | 100 |
|
| 2 | what can happen | 44 |
|
| 3 | what can happen | 44 |
|
| 4 | what can go | 10 |
|
| 5 | what can go | 10 |
|
| 6 | what can have | 8 |
|
| 7 | what can have | 8 |
|
