| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [verb] at a | 80 |
|
| 2 | had [vb pp] at a | 72 |
|
| 3 | had arrived at [art] | 62 |
|
| 4 | had arrived at [art] | 62 |
|
| 5 | have arrived at a | 31 |
|
| 6 | [verb] arrived at a | 31 |
|
| 7 | had arrived [prep] a | 21 |
|
| 8 | had arrived at a | 11 |
|
| 9 | [vb past] arrived at a | 11 |
|
| 10 | had arrive at a | 10 |
|
