| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has had a significant [noun sg] | 10 |
|
| 2 | has had a significant [noun] | 10 |
|
| 3 | has had a significant [noun] | 10 |
|
| 4 | has had a significant impact | 5 |
|
| 5 | has had a significant impact | 5 |
|
