| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] is [adj] for [verb] | 267 |
|
| 2 | [noun sg] is useful [prep] [verb] | 39 |
|
| 3 | [noun sg] is useful [prep] [verb] | 39 |
|
| 4 | [noun] is useful for [verb] | 24 |
|
| 5 | [noun sg] be useful for [verb] | 22 |
|
| 6 | [noun sg] [is] useful for [verb] | 22 |
|
| 7 | [noun sg] is useful for [verb] | 22 |
|
| 8 | [noun sg] [be] useful for [verb] | 22 |
|
