| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [adj] for [adj] | 4772 |
|
| 2 | [be] useful [prep] [adj] | 166 |
|
| 3 | [be] useful [prep] [adj] | 166 |
|
| 4 | [be] useful for [adj] | 69 |
|
