| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] [Wh det] we must | 21 |
|
| 2 | [noun sg] [prep] [Wh det] we must | 15 |
|
| 3 | [noun pl] [prep] [Wh det] we must | 6 |
|
| 4 | [prep] [Wh det] we must [vb infin] | 19 |
|
| 5 | [prep] [Wh det] we must [verb] | 19 |
|
