| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] [be] | 5772 |
|
| 2 | [prep] [art] children [be] | 130 |
|
| 3 | [prep] a child [be] | 96 |
|
| 4 | [prep] a [noun pl] [be] | 39 |
|
