| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [prep] [adv] a [noun] | 159 |
|
| 2 | [be] [prep] [adv] a [noun] | 153 |
|
| 3 | [be] [prep] least [art] [noun] | 101 |
|
| 4 | [be] [prep] least a [noun] | 79 |
|
