| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [prep] [be] [verb] [prep] [noun] | 633 |
|
| 2 | [be] [prep] [be] [verb] at [noun] | 108 |
|
| 3 | [is] [prep] [be] [verb] at [noun] | 52 |
|
