| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] for [adj] [noun] | 150 |
|
| 2 | useful for [adj] [noun] | 145 |
|
| 3 | [be] useful for [noun] | 30 |
|
| 4 | [be] useful for [adj] | 28 |
|
