| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is not enough [verb] that | 10 |
|
| 2 | it is not enough [to-vb] that | 10 |
|
| 3 | it is not enough that [art] | 8 |
|
| 4 | it is not enough that [art] | 8 |
|
