| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | need [prep] [be] | 7369 |
|
| 2 | [modal v] [prep] [be] | 5048 |
|
| 3 | [modal v] need [prep] | 1225 |
|
| 4 | [modal v] need [be] | 17 |
|
