| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun sg] | 465207 |
|
| 2 | [prep] a [noun sg] | 465202 |
|
| 3 | upon [art] [noun sg] | 4626 |
|
| 4 | upon a [noun] | 908 |
|
| 5 | upon a [noun sg] | 878 |
|
