| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | important [noun sg] have been | 27 |
|
| 2 | important [noun sg] [verb] been | 27 |
|
| 3 | important [noun sg] [vb -s] been | 21 |
|
| 4 | important [noun sg] has been | 20 |
|
