| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [adj] for [verb] | 664 |
|
| 2 | [noun] useful [prep] [verb] | 27 |
|
| 3 | [noun] useful [prep] [verb] | 27 |
|
| 4 | [noun] useful for [verb] | 21 |
|
