| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be at [adv] the [noun] | 32 |
|
| 2 | be at once [art] [noun] | 24 |
|
| 3 | be at once [art] [noun] | 24 |
|
| 4 | be [prep] once the [noun] | 9 |
|
| 5 | be [prep] once the [noun] | 9 |
|
| 6 | be at once the [noun] | 7 |
|
| 7 | be at once the [noun] | 7 |
|
| 8 | [be] at once the [noun] | 7 |
|
