| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] had become a matter | 5 |
|
| 2 | had become a matter of | 8 |
|
| 3 | had become a matter [prep] | 8 |
|
| 4 | had become a matter [prep] | 8 |
|
| 5 | had become a matter of | 8 |
|
