| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] a [noun] | 174586 |
|
| 2 | issue [prep] [art] [noun] | 1545 |
|
| 3 | issue [prep] [art] [noun] | 1545 |
|
| 4 | issue [prep] a [noun] | 223 |
|
