| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had be drive | 113 |
|
| 2 | had [been] drive | 113 |
|
| 3 | had been drive | 113 |
|
| 4 | had [be] driven | 74 |
|
| 5 | had [be] driving | 37 |
|
