| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be extended to | 136 |
|
| 2 | [vb mod] [not/n't] be extended | 42 |
|
| 3 | [vb mod] [not/n't] be to | 28 |
|
| 4 | [not/n't] be extended to | 18 |
|
