| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [n mass] need [prep] be | 55 |
|
| 2 | [n mass] need to be | 55 |
|
| 3 | [n mass] need to be | 55 |
|
| 4 | people need [prep] be | 31 |
|
| 5 | staff need [prep] be | 14 |
|
