| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] at a [adj] [noun] | 759 |
|
| 2 | [be] [verb] at a [adj] [noun sg] | 730 |
|
| 3 | [be] [verb] at [art] [adj] level | 183 |
|
| 4 | [be] [verb] at [art] [adj] level | 183 |
|
| 5 | [be] [verb] [prep] a [adj] level | 134 |
|
| 6 | [be] [verb] at a [adj] level | 85 |
|
| 7 | [be] [verb] at a [adj] level | 76 |
|
