| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be at [noun] | 843 |
|
| 2 | be at [noun sg] | 608 |
|
| 3 | [be] at school | 314 |
|
| 4 | be at school | 314 |
|
| 5 | be [prep] school | 39 |
|
| 6 | be [prep] school | 39 |
|
| 7 | be at school | 20 |
|
| 8 | [be] at school | 20 |
|
| 9 | be at school | 20 |
|
