| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] [v-ing] [prep] [art] | 803 |
|
| 2 | [prep] a [noun] [v-ing] [prep] [art] | 803 |
|
| 3 | [prep] a [noun] [verb] at [art] | 188 |
|
| 4 | [prep] [art] [noun] [v-ing] at [art] | 159 |
|
| 5 | [prep] [art] [noun] [v-ing] at [art] | 159 |
|
| 6 | [prep] a [noun] [v-ing] at [art] | 68 |
|
| 7 | [prep] a [noun] [v-ing] at [art] | 58 |
|
| 8 | [prep] a [noun] [v-ing] at [art] | 58 |
|
