| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] at [noun] | 1502 |
|
| 2 | [prep] [be] a [noun] [noun] | 1065 |
|
| 3 | [be] a [noun] at [noun] | 322 |
|
| 4 | [prep] [be] a [noun] at | 75 |
|
| 5 | [prep] [be] [noun] at [noun] | 11 |
|
