| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | need [prep] [be] [verb] [prep] [art] | 689 |
|
| 2 | [verb] [prep] [be] [verb] at [art] | 274 |
|
| 3 | need [prep] [be] [verb] at [art] | 22 |
|
| 4 | need [prep] [be] [verb] at [art] | 22 |
|
