| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [to-vb] a | 3044 |
|
| 2 | [vb -s] is a | 280 |
|
| 3 | [vb -s] [to-vb] is | 252 |
|
| 4 | [to-vb] is a | 150 |
|
