| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [v-ing] at the [noun] | 142 |
|
| 2 | [vb past] [v-ing] [prep] the door | 29 |
|
| 3 | [vb past] [v-ing] [prep] the door | 29 |
|
| 4 | [vb past] [verb] at the door | 28 |
|
| 5 | [verb] [v-ing] at the door | 18 |
|
| 6 | [vb past] [v-ing] at [art] door | 11 |
|
| 7 | [vb past] [v-ing] at the door | 11 |
|
