| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is a crucial element | 9 |
|
| 2 | is a crucial factor | 8 |
|
| 3 | is a crucial part | 8 |
|
| 4 | is a crucial issue | 5 |
|
| 5 | is a crucial component | 5 |
|
