| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be [verb] [prep] a | 10436 |
|
| 2 | [vb mod] be need [prep] [art] | 67 |
|
| 3 | [vb mod] [be] need [prep] a | 19 |
|
| 4 | [modal v] be need [prep] a | 19 |
|
