| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be of crucial importance | 71 |
|
| 2 | is [prep] crucial importance | 39 |
|
| 3 | be [prep] crucial importance | 15 |
|
| 4 | was [prep] crucial importance | 6 |
|
| 5 | are [prep] crucial importance | 5 |
|
