| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [verb] at the door | 28 |
|
| 2 | [vb past] [verb] at the door | 26 |
|
| 3 | [vb past] [v-ing] at the door | 11 |
|
| 4 | [vb past] knock at the door | 10 |
|
| 5 | [vb past] [vb pp] at the door | 8 |
|
| 6 | [vb past] [to-vb] at the door | 7 |
|
| 7 | had [verb] at the door | 7 |
|
| 8 | came [verb] at the door | 5 |
|
