| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] useful for [verb] and | 6 |
|
| 2 | [noun sg] useful for [verb] and | 6 |
|
| 3 | information useful for [verb] and | 6 |
|
| 4 | information useful for [verb] and | 6 |
|
| 5 | useful for [verb] [noun] and | 12 |
|
| 6 | useful for [verb] [noun pl] and | 9 |
|
| 7 | useful for [verb] and [v-ing] | 8 |
|
| 8 | useful for [verb] and [verb] | 8 |
|
