| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] have had a profound effect | 9 |
|
| 2 | [noun] have had a profound effect | 9 |
|
| 3 | [noun] has had a profound effect | 9 |
|
| 4 | [noun sg] have had a profound effect | 7 |
|
