| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had had [adj] | 557 |
|
| 2 | have had previous | 25 |
|
| 3 | [verb] had previous | 25 |
|
| 4 | had [verb] previous | 23 |
|
| 5 | had [vb pp] previous | 21 |
|
| 6 | [vb past] had previous | 12 |
|
| 7 | had have previous | 11 |
|
