| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] to [be] a | 8485 |
|
| 2 | [vb pp] to [be] [art] | 3500 |
|
| 3 | [vb pp] [prep] [be] a | 2292 |
|
| 4 | [vb pp] [prep] [be] a | 2247 |
|
| 5 | [vb pp] to [be] a | 2091 |
|
