| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] is useful for [adj] [noun] | 10 |
|
| 2 | [pron] is useful for [adj] [noun] | 9 |
|
| 3 | [noun sg] is useful for [adj] [noun] | 9 |
|
| 4 | [pers pn] is useful for [adj] [noun] | 8 |
|
| 5 | it is useful for [adj] [noun] | 8 |
|
| 6 | it is useful for [adj] [noun] | 8 |
|
| 7 | is [adv] useful for [adj] [noun] | 19 |
|
| 8 | is [adv] useful for [adj] [noun] | 18 |
|
| 9 | is particularly useful for [adj] [noun] | 8 |
|
| 10 | is particularly useful for [adj] [noun] | 8 |
|
| 11 | is useful for [v-ing] [adj] [noun] | 8 |
|
| 12 | is useful for [verb] [adj] [noun] | 8 |
|
| 13 | is useful for [adj] [noun] [verb] | 6 |
|
