| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | often [pron] [modal v] [not/n't] be | 5 |
|
| 2 | often [adj] [modal v] [not/n't] be | 5 |
|
| 3 | often [det] [modal v] [not/n't] be | 5 |
|
| 4 | often [modal v] [not/n't] be [verb] | 7 |
|
| 5 | often [modal v] [not/n't] be [vb pp] | 7 |
|
