| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be for [adj] [noun sg] | 211 |
|
| 2 | be useful for [adj] | 42 |
|
| 3 | useful for [adj] [noun sg] | 39 |
|
| 4 | be useful for [noun sg] | 34 |
|
| 5 | be useful [adj] [noun sg] | 5 |
|
