| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it had been [adv] [vb pp] [adv prt] | 8 |
|
| 2 | it had [been] [adv] [vb pp] [adv prt] | 8 |
|
| 3 | it had be [adv] [vb pp] [adv prt] | 8 |
|
