| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | thought to be important | 11 |
|
| 2 | found to be important | 7 |
|
| 3 | shown to be important | 6 |
|
| 4 | felt to be important | 6 |
|
| 5 | known to be important | 5 |
|
