| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] to [art] | 23434 |
|
| 2 | [be] [vb pp] to [art] | 20433 |
|
| 3 | [be] confined [prep] [art] | 399 |
|
| 4 | [be] confined to [art] | 363 |
|
| 5 | [be] confine to [art] | 363 |
|
