| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] to [be] | 3603 |
|
| 2 | which is [vb pp] to | 562 |
|
| 3 | which is to [be] | 198 |
|
| 4 | which is [vb pp] [be] | 24 |
|
