| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] is useful for [verb] [noun] | 9 |
|
| 2 | [noun sg] is useful for [verb] [noun] | 8 |
|
| 3 | is [adv] useful for [verb] [noun] | 10 |
|
| 4 | is [adv] useful for [verb] [noun] | 10 |
|
| 5 | is useful for [verb] [art] [noun] | 10 |
|
| 6 | is useful for [verb] [art] [noun] | 10 |
|
| 7 | is useful for [verb] the [noun] | 9 |
|
| 8 | is useful for [verb] the [noun] | 9 |
|
| 9 | is useful for [verb] [adj] [noun] | 8 |
|
