| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] which can be [adj] | 68 |
|
| 2 | [noun] which can be [adj] | 66 |
|
| 3 | [noun] which [modal v] be useful | 24 |
|
| 4 | [noun] [pron] can be useful | 12 |
|
| 5 | [noun] which can be useful | 6 |
|
| 6 | [noun] which can [be] useful | 6 |
|
| 7 | [noun] which can [be] useful | 6 |
|
| 8 | [noun] which can be useful | 6 |
|
