| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [verb] to be | 2346 |
|
| 2 | [pron] need to be | 1783 |
|
| 3 | [Wh det] need [prep] be | 400 |
|
| 4 | [Wh det] need [prep] be | 400 |
|
| 5 | [Wh det] need to [be] | 400 |
|
| 6 | [Wh det] need to be | 400 |
|
