| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to be [art] | 21406 |
|
| 2 | [prep] be a | 14188 |
|
| 3 | to [be] a | 14130 |
|
| 4 | to be a | 14130 |
|
| 5 | to [be] a | 13875 |
|
