| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [conj] [vb mod] [be] | 4449 |
|
| 2 | [noun sg] [vb mod] [be] useful | 166 |
|
| 3 | [conj] [vb mod] [be] useful | 50 |
|
| 4 | [noun sg] [conj] [be] useful | 21 |
|
