| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be confined to | 212 |
|
| 2 | is confined to | 181 |
|
| 3 | was confined to | 139 |
|
| 4 | been confined to | 89 |
|
| 5 | are confined to | 75 |
|
| 6 | were confined to | 59 |
|
| 7 | being confined to | 32 |
|
| 8 | 're confined to | 5 |
|
