| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] a [adj] [conj] important | 5 |
|
| 2 | [prep] [verb] a [adj] [conj] important | 5 |
|
| 3 | [prep] a [adj] [conj] important [noun] | 11 |
|
| 4 | [prep] a [adj] [conj] important [noun sg] | 10 |
|
