| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [vb mod] [vb infin] useful | 29 |
|
| 2 | [noun sg] can [verb] useful | 11 |
|
| 3 | [noun sg] [vb mod] prove useful | 11 |
|
| 4 | [noun sg] [vb mod] prove useful | 11 |
|
| 5 | [noun sg] may [verb] useful | 8 |
|
| 6 | [noun sg] [vb mod] provide useful | 8 |
|
| 7 | [noun sg] [vb mod] provide useful | 8 |
|
