| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] [to-vb] at least [noun] | 9 |
|
| 2 | [be] [verb] [to-vb] at least [noun] | 9 |
|
| 3 | [be] [verb] [to-vb] at least [n mass] | 7 |
|
| 4 | [be] [vb pp] [to-vb] at least [noun] | 6 |
|
