| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [adv] [be] a [noun sg] | 798 |
|
| 2 | [adv] [be] a useful [noun sg] | 23 |
|
| 3 | have [be] a useful [noun sg] | 9 |
|
| 4 | have [adv] [be] a useful | 7 |
|
