| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been said so far | 15 |
|
| 2 | been made so far | 5 |
|
| 3 | been done so far | 5 |
|
| 4 | been found so far | 5 |
|
| 5 | been described so far | 5 |
|
| 6 | been achieved so far | 5 |
|
