| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [modal v] be used for [adj] | 18 |
|
| 2 | which [vb mod] be used for [adj] | 18 |
|
| 3 | which [modal v] be used for [adj] | 18 |
|
| 4 | which can be used for [adj] | 10 |
|
| 5 | which can be used for [adj] | 10 |
|
| 6 | which could be used for [adj] | 5 |
|
| 7 | which could be used for [adj] | 5 |
|
