| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] enough [verb] a [noun sg] | 8 |
|
| 2 | it [is] [det] [to-vb] a [noun sg] | 8 |
|
| 3 | it 's [det] [verb] a [noun sg] | 7 |
|
