| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [vb pp] a significant | 54 |
|
| 2 | has played a significant | 18 |
|
| 3 | has play a significant | 18 |
|
| 4 | has had a significant | 10 |
|
| 5 | has made a significant | 10 |
|
| 6 | has make a significant | 10 |
|
| 7 | has have a significant | 10 |
|
