| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | are [vb pp] to be | 1979 |
|
| 2 | [n mass] are [vb pp] to | 110 |
|
| 3 | [n mass] are to be | 42 |
|
| 4 | [n mass] [vb pp] to be | 31 |
|
