| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is at least [art] [adj] [noun] | 22 |
|
| 2 | [is] at least [art] [adj] [noun sg] | 19 |
|
| 3 | [is] at least [art] [adj] [noun] | 16 |
|
| 4 | [is] at least a [adj] [noun] | 15 |
|
