| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [prep] [adj] importance | 26 |
|
| 2 | have be of [adj] importance | 26 |
|
| 3 | have be [prep] [adj] importance | 26 |
|
| 4 | has be [prep] [adj] importance | 12 |
|
| 5 | have be [prep] [adj] importance | 6 |
|
