| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [modal v] [vb infin] [adj] | 1985 |
|
| 2 | [modal v] [vb infin] at [adj] | 1139 |
|
| 3 | which [modal v] [vb infin] at | 87 |
|
| 4 | which [modal v] at [adj] | 20 |
|
