| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [be] [prep] [adj] | 128 |
|
| 2 | [adv] useful [prep] [adj] | 84 |
|
| 3 | [adv] [be] useful [prep] | 55 |
|
| 4 | [be] useful [prep] [adj] | 40 |
|
