| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it had [adv] be for a | 8 |
|
| 2 | it had [not/n't] be for a | 7 |
|
| 3 | it had not be for a | 7 |
|
| 4 | it had be [verb] for a | 6 |
|
| 5 | it had be [vb pp] for a | 5 |
|
