| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] not been enough [noun] | 10 |
|
| 2 | have not been enough [noun] | 10 |
|
| 3 | has not been enough [noun] | 5 |
|
| 4 | [vb -s] not been enough [noun] | 5 |
|
| 5 | not been enough [noun] [prep] | 6 |
|
| 6 | not been enough [noun] [prep] | 6 |
|
