| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [adv] [prep] | 311 |
|
| 2 | had been do [prep] | 125 |
|
| 3 | had do [adv] [prep] | 108 |
|
| 4 | been do [adv] [prep] | 50 |
|
| 5 | had been do [adv] | 49 |
|
