| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be at [adv] [art] [adj] [noun] | 79 |
|
| 2 | [be] at least [art] [adj] [noun] | 52 |
|
| 3 | be [prep] least [art] [adj] [noun] | 52 |
|
