| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [adv] [det] | 131 |
|
| 2 | had do [adv] [det] | 55 |
|
| 3 | had been do [adv] | 52 |
|
| 4 | been do [adv] [det] | 19 |
|
| 5 | had been do [det] | 19 |
|
