| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] confined to | 291 |
|
| 2 | [be] confined to | 212 |
|
| 3 | [not/n't] [be] confined | 45 |
|
| 4 | [not/n't] [be] to | 30 |
|
