| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] need to be | 1783 |
|
| 2 | [Wh det] need to be | 400 |
|
| 3 | [Wh det] [pron] need be | 200 |
|
| 4 | [Wh det] [pron] need to | 32 |
|
