| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [be] [verb] [to-vb] [det] | 115 |
|
| 2 | is [prep] [be] [verb] [to-vb] | 85 |
|
| 3 | is [prep] [be] [verb] [det] | 26 |
|
