| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | important [noun pl] have [be] [verb] [prep] | 17 |
|
| 2 | important [noun pl] have been [verb] [prep] | 17 |
|
| 3 | important [noun pl] have be [verb] [prep] | 17 |
|
| 4 | important [noun pl] have [been] [verb] [prep] | 17 |
|
