| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] [conj] | 32920 |
|
| 2 | [v-ing] [prep] a [noun] | 16296 |
|
| 3 | [v-ing] [prep] [noun] [conj] | 8526 |
|
| 4 | [v-ing] a [noun] [conj] | 2928 |
|
