| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pron] need to be | 66 |
|
| 2 | [prep] [Wh det] need to be | 46 |
|
| 3 | [Wh det] [pron] need to be | 23 |
|
| 4 | [prep] [Wh det] [pron] need to | 7 |
|
