| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] be of [adj] importance | 10 |
|
| 2 | it [vb mod] be [prep] [adj] importance | 10 |
|
| 3 | it [vb mod] be [prep] [adj] importance | 9 |
|
| 4 | it may be [prep] [adj] importance | 5 |
|
