| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] is useful for [verb] the | 5 |
|
| 2 | [noun] is useful for [verb] the | 5 |
|
| 3 | is useful for [verb] the [noun] | 9 |
|
| 4 | is useful for [verb] the [noun sg] | 7 |
|
