| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [prep] [det] | 2767 |
|
| 2 | [pron] be at [det] | 589 |
|
| 3 | it be at [adj] | 442 |
|
| 4 | it [be] at [det] | 356 |
|
