| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] could [be] enough | 8 |
|
| 2 | [noun sg] could [be] enough | 7 |
|
| 3 | could [be] enough [verb] | 13 |
|
| 4 | could [be] enough [to-vb] | 13 |
|
