| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [modal v] [be] [adv] [adj] | 444 |
|
| 2 | [verb] [modal v] [be] [adv] [adj] | 189 |
|
| 3 | [verb] [Wh det] [modal v] [be] [adj] | 54 |
|
| 4 | [verb] [Wh det] [modal v] [be] [adv] | 31 |
|
