| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be at [pron] | 1431 |
|
| 2 | be [prep] its | 1109 |
|
| 3 | be [prep] its | 1109 |
|
| 4 | be at its | 378 |
|
| 5 | [be] at its | 378 |
|
