| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have be an important [noun] for | 7 |
|
| 2 | have be a important [noun sg] for | 7 |
|
| 3 | have been a important [noun] for | 7 |
|
| 4 | has be a important [noun] for | 5 |
|
