| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] [prep] a | 2021 |
|
| 2 | had been [vb pp] [prep] a | 1801 |
|
| 3 | had been taken [prep] [art] | 95 |
|
| 4 | [verb] been taken [prep] a | 68 |
|
| 5 | have been taken [prep] a | 68 |
|
| 6 | [vb past] been taken [prep] a | 36 |
|
| 7 | had been take [prep] a | 36 |
|
| 8 | had [been] taken [prep] a | 35 |
|
| 9 | had be taken [prep] a | 35 |
|
| 10 | had [be] taken [prep] a | 35 |
|
| 11 | had been taken [prep] a | 35 |
|
