| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | reference has already been made to | 16 |
|
| 2 | reference has already been made to | 16 |
|
| 3 | [noun sg] has already been made to | 16 |
|
| 4 | [noun] has already been made to | 16 |
|
| 5 | has already been made to the | 11 |
|
| 6 | has already been made to [art] | 11 |
|
| 7 | has already been made to the | 11 |
|
| 8 | has already been made to [art] | 11 |
|
| 9 | has already been made to [adj] | 5 |
|
