| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it had been [adj] | 340 |
|
| 2 | it had been possible | 21 |
|
| 3 | it had been easy | 15 |
|
| 4 | it had been necessary | 13 |
|
| 5 | it had been impossible | 11 |
|
| 6 | it had been clear | 9 |
|
| 7 | it had been difficult | 9 |
|
| 8 | it had been hard | 6 |
|
| 9 | it had been obvious | 6 |
|
| 10 | it had been different | 5 |
|
| 11 | it had been able | 5 |
|
