| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] purely a matter | 14 |
|
| 2 | be purely a matter | 14 |
|
| 3 | [is] purely a matter | 8 |
|
| 4 | is purely a matter | 6 |
|
| 5 | purely a matter [prep] | 21 |
|
| 6 | purely a matter [prep] | 21 |
|
| 7 | purely a matter of | 20 |
|
| 8 | purely a matter of | 20 |
|
