| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [v-ing] [prep] a | 332 |
|
| 2 | [vb pp] [v-ing] [prep] a | 332 |
|
| 3 | [vb pp] [verb] at a | 97 |
|
| 4 | [verb] [v-ing] at a | 68 |
|
| 5 | [vb pp] [v-ing] at [art] | 63 |
|
| 6 | [vb pp] [v-ing] at a | 12 |
|
