| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [modal v] [be] useful [prep] [adj] | 15 |
|
| 2 | [noun sg] [modal v] [be] useful [prep] [adj] | 8 |
|
| 3 | [noun pl] [modal v] [be] useful [prep] [adj] | 7 |
|
| 4 | [modal v] [adv] [be] useful [prep] [adj] | 7 |
|
| 5 | [modal v] [adv] [be] useful [prep] [adj] | 6 |
|
| 6 | [modal v] [be] [adv] useful [prep] [adj] | 11 |
|
| 7 | [modal v] [be] [adv] useful [prep] [adj] | 11 |
|
| 8 | [modal v] [be] useful [prep] [art] [adj] | 11 |
|
| 9 | [modal v] [be] useful [prep] [art] [adj] | 11 |
|
| 10 | [modal v] [be] useful [prep] [verb] [adj] | 9 |
|
| 11 | [modal v] [be] useful [prep] [v-ing] [adj] | 9 |
|
| 12 | [modal v] [be] useful [prep] a [adj] | 6 |
|
| 13 | [modal v] [be] useful [prep] a [adj] | 5 |
|
| 14 | [modal v] [be] useful [prep] the [adj] | 5 |
|
| 15 | [modal v] [be] useful [prep] the [adj] | 5 |
|
| 16 | [modal v] [be] useful [prep] [adj] [noun] | 22 |
|
| 17 | [modal v] [be] useful [prep] [adj] [noun pl] | 13 |
|
| 18 | [modal v] [be] useful [prep] [adj] [noun sg] | 9 |
|
