| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 's [adv] [vb pp] to be a | 9 |
|
| 2 | 's not [vb pp] [prep] be a | 7 |
|
| 3 | 's [not/n't] [vb pp] [prep] be a | 7 |
|
| 4 | 's not [vb pp] [prep] be a | 7 |
|
