| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [to-vb] be | 7477 |
|
| 2 | [vb past] [to-vb] be | 1094 |
|
| 3 | have [to-vb] be | 947 |
|
| 4 | had [verb] be | 830 |
|
| 5 | had [to-vb] [be] | 276 |
|
