| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [vb pp] at a | 72 |
|
| 2 | have [vb pp] at a | 54 |
|
| 3 | have [vb pp] at a | 41 |
|
| 4 | have come at a | 36 |
|
| 5 | has [vb pp] at a | 32 |
|
| 6 | have arrived at a | 31 |
|
| 7 | have met at a | 8 |
|
| 8 | 'd [vb pp] at a | 8 |
|
| 9 | have worked at a | 8 |
|
| 10 | have grown at a | 8 |
|
| 11 | have happened at a | 8 |
|
| 12 | have occurred at a | 7 |
|
| 13 | have looked at a | 6 |
|
| 14 | 've [vb pp] at a | 6 |
|
| 15 | to have [vb pp] at a | 6 |
|
