| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is needed [is] [prep] | 6 |
|
| 2 | be needed [is] [prep] | 6 |
|
| 3 | [is] needed [is] [prep] | 6 |
|
| 4 | [be] needed [is] [prep] | 6 |
|
| 5 | needed [is] [verb] [prep] | 6 |
|
| 6 | needed [is] [vb pp] [prep] | 6 |
|
