| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] also been important [prep] | 8 |
|
| 2 | [verb] also [been] important [prep] | 8 |
|
| 3 | have also [been] important [prep] | 8 |
|
| 4 | [verb] also [been] important [prep] | 8 |
|
| 5 | have also [been] important [prep] | 6 |
|
| 6 | [vb base] also [been] important [prep] | 6 |
|
| 7 | [verb] also [been] important in | 5 |
|
