| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] [verb] a | 2370 |
|
| 2 | [verb] [be] [to-vb] [art] | 891 |
|
| 3 | [verb] [be] [to-vb] [art] | 891 |
|
| 4 | [verb] [be] [to-vb] a | 290 |
|
